20) She was a popular and conscientious teacher, whose ______courses on women's writing were very popular among the students. A)appropriate B) suitable

C) alternative D) optional

21) The most ______thing is to make sure everyone is out of the building. A) tough B) urgent C) tense D) instant

22) The damage to ecology structure will ______the flood, pollution and other environmental

problems.

A) bring on B) bring out C) bring about D) bring up

23) ________ your expenses from your income and you can see at a glance how much income

is left to spend.

A) Contribute B) Attribute C) Subtract D) Contract

24) Frequently couples at their golden wedding celebration will say something to the effect of

'we made it a ______never to go to bed angry'.. A) sense B) meaning C) focus D) point

Key:

1-5 D B D A C 6-10 C D C B C 1-15 C B D A C 16-20 C B A A D 21-24 B C C D