A. after B. since C. until D. when (2009年河南省)

2.Tom knew nothing about it ______ his sister told him. A. since B. if C. until D. when (2009年长沙市)

3.--Where was your brother at this time last night? --He was writing an e-mail ______ I was watching TV at home.

A. as soon as B. after C. until D. while 4.He will come here right away ______ he hears the news. A. so B. as soon as C. because D. though (2009年恩施自治州)

[点拨平台]1.D。考查由when引导的时间状语从句。句意：在英国，人们下车时对司机说“谢谢”是很常见的。唯有选项D符合题意。2.C。考查由until引导的时间状语从句。not…until…意为“直到……才……”。题干中的nothing相当于not anything。句

13

意：直到汤姆的姐姐告诉他这件事他才知道。根据句意可知应选C。3.D。考查由while引导的时间状语从句。由所提供的语境可知“我在看电视的时间他在写电子邮件”，两个动作同时发生，唯有选项D符合题意。4.B。考查由as soon as引导的时间状语从句。句意：他一听到这个消息就会立刻赶来。as soon as表示“一……就……”，故选D。

二、对条件状语从句的考查分析。

1.You'd better look up the new word in a dictionary ______ you don't know it.

A. if B. that C. though D. whether (2009年兰州市)

2.--David, turn off the TV ______ no one is watching it. --But it ______ off already! The music is from the radio. A. so that；has been turned B. when；has turned C. if；has been turned D. because；has turned (2009年深圳市)

14

3.The art club is for members only. You can't go in ______ you are a member.

A. unless B. because C. if D. though (2009年临沂市)

4.--May I surf the Internet now?

--No, ______ you have finished doing the dishes. A. unless B. if C. because D. when (2009年宁波市)

[点拨平台]1.A。考查由if引导的条件状语从句。句意：如果你不知道生词的话，最好查词典。其余选项B、C和D均不合题意。2.C。考查连词if以及被动语态。从第一个空判断，可以填入连词if或because，但是第二个空则很明显应该使用被动语态，所以只有选项C符合语境。3.A。考查由unless引导的条件状语从句。unless的意思是“除非；如果不”。句意：美术俱乐部只为会员开放，如果你不是会员就不能进去。4.A。考查由unless引导的条件状语从句。答语是个省略句，其完整表述为You may surf the Internet ____ you have finished doing the dishes.根据语境判断，唯有选项A符合语境。

15

三、对让步状语从句的考查分析。

1. ______ they may not succeed, they will try their best. A. Though B. When C. Because D. Unless

(2009年河北省)

2. ______ hamburgers are junk food, many children like them.

A. If B. Unless C. Because D. Although (2009年山东省)

3.The workers have decided to finish the task on time,

______

it means they would have no weekends these two

months.

A. after all B. even though C. as if D.If (2009年成都市)

4. ______ well you drive, you must drive carefully. A. No matter where B. In order that

16