what had happened.

A. before B. until C. since D. when

91. Scientists say it may be five or ten years _____ it is possible to test this medicine on human

beings.

A. since B. before C. after D. when

92. The fire was finally brought under control, but not _____ extensive damage had been caused.

A. before B. since C. after D. as

93. You see the lightning _____ it happens, but you hear the thunder later.

A. the instant B. for an instant C. on the instant D. in an instant

94. We hadn’t met for 20 years, but I recognized her _____ I saw her.

A. the moment B. for the moment C. the moment when D. at the moment when

95. _____ a baby turtle is hatched, it must be able to fend for itself.

A. Not sooner than B. No sooner C. So soon that D. As soon as

96. “When do you wish to visit Canada?” “_____ I am settled, I’ll go there.”

A. So long B. As C. Once D. While

97. _____ she went to New York, her father has not heard from her.

A. Because B. After C. When D. Since

98. _____ in 1788, the thirteen original states worked together under an agreement called the

Articles of Confederation.

A. Not until the Constitution was adopted B. The Constitution was adopted C. Adopted by the Constitution D. Until the Constitution was adopted

99. _____ matter in one form is transmuted to another form, a phase change is said to have taken

place.

A. Such B. Then C. Whenever D. Seldom

100. No sooner had we reached the top of the hill _____ we all sat down to rest. A. than B. then C. when D. until

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101. I have kept that portrait _____I can see it every day, as it always reminds me of my

university days in London.

A. which B. where C. whether D. when

102. Although he knew little about the large amount of work done in this field, he succeeded

_____other more well-informed experimenters failed.

A. which B. that C. what D. where

103. Take this baggage and hang it _____ you can find enough space.

A. while B. out C. wherever D. in which

104. Plateaus are often referred to as tablelands _____ essentially flat-topped and stand

conspicuously above an adjacent land area.

A. because are B. because they are C. because of their D. which because they are

105. _____ you are leaving tomorrow, we can eat dinner together tonight.

A. For B. Since C. Before D. While

106. Criticism and self-criticism is necessary _____it helps to find and correct our mistakes. A. by that B. at that C. on that D. in that

107. Although many people view conflict as bad, conflict is sometimes useful _____ it forces

people to test the relative merits of their attitudes and behaviors.

A. by which B. to which C. in that D. so that

108. He was punished _____ he should make the same mistake again.

A. unless B. provided C. if D. lest

109. There was such a long line at the exhibition _____ we had to wait for about half an hour.

A. as B. that C. so D. hence

110. Excuse me. If your call’s not too urgent, do you mind _____ mine first?

A. I make B. if I make C. me to make D. that I make

111. Government cannot operate effectively _____ it is free from such interference.

A. so long as B. so that C. unless D. because

112. I’m sure he is up to the job _____ he would give his mind go it.

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A. if only B. in case C. until D. unless

113. I’ll accept any job _____ I don’t have to get up early.

A. lest B. as long as C. in case D. though

114. _____he works hard, I don’t mind when he finishes the experiment.

A. As soon as B. As well as C. So far as D. So long as

115. He will surely finish the job on time _____ he’s left to do it in his own way.

A. in that B. so long as C. in case D. as far as

116. _____ receiving financial support from family, community or the government is allowed, it

is never admired.

A. As B. Once C. Although D. Lest

117. Rod is determined to get a seat for the concert _____ it means standing in a queue all night.

A. as if B. even if C. provided D. whatever

118. _____ the punishment was unjust, Helen accepted it without complaint.

A. However B. So long as C. Since D. Even though

119. _____，he does get annoyed with her sometimes.

A. Although much he likes her B. Much although he likes her C. As he likes her much D. Much as he likes her

120. _____difficulties we may come across, we’ll help one another to overcome them.

A. Wherever B. Whatever C. However D. Whenever

121. I’ve already told you that I’m going to buy it, _____.

A. however much it costs B. however does it cost much C. how much does it cost D. no matter how it costs

122. The house was very quiet, _____ as it was on the side of a mountain.

A. isolated B. isolating C. being isolated D. having been isolated

123. Careful surveys have indicated that as many as 50 percent of patients do not take drugs

_____ indicated.

A. like B. so C. which D. as

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124. Certain programs work better for some _____ for others.

A. and B. than C. as D. but

125. People’s expectations for a higher standard of living increase _____.

A. conditions in their community improve B. since conditions in their improving community

C. conditions improve in their community D. as conditions in their community improve

126. “Was your sweater expensive?” “_____that it is handsome, the price seems reasonable.”

A. In view of B. Since C. Considering D. Because

127. It is because she is too inexperienced _____ she does not know how to deal with the

situation.

A. so B. that C. so that D. therefore E. that is why

128. On a raining day I was driving north through Vermont _____ I noticed a young man holding

up a sign reading “Boston”.

A. which B. where C. when D. that

129. The policemen went into action _____ they heard the alarm.

A. promptly B. presently C. quickly D. directly

130. _____ we have all the materials ready, we should begin the new task at once.

A. Since that B. Since now C. By now D. Now that

131. This is an ideal site for a university _____ it is far from the downtown area.

A. provided that B. now that C. so that D. in that

132. Hydrogen is the fundamental element of the universe _____ it provides the building blocks

from which the other elements are produced.

A. so that B. but that C. in that D. provided that

133. Helen listened carefully _____ she might discover exactly what John wanted.

A. so as that B. in case C. providing D. in order that

134. Write clearly _____ your teacher can understand you clearly.)

A. since B. for C. because D. so that E. then

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