①I do every single bit of housework ________ my husband Bob just does the dishes now and then.
A. since B. while C. when D. as
nce，as soon as，the moment / minute，immediately / directly / instantly引导的从句常用一般现在时或过去时。
hardly / scarcely … when…和no sooner … than …结构中，前句常用过去完成式（常用部分倒装形式），后句用过去式。
On doing sth.，each / every / the first / the last + time 后也可直接接从句，一起作时间状语。
②—— Did you remember to give Mary the money you owed her?
—— Yes. I gave it to her _____ I saw her.
A. while B. the moment C. suddenly D. once
③ _______ you are leaving tomorrow, we can eat dinner together tonight.
A. For B. Since C. When D. while
④ _______, I have to put it away and focus my attention on study this week.
A. However the study is amusing B. No matter amusing the story is
C. However amusing the story is D. No matter how the story is amusing
【考点5】until / till的用法
⑤It was __________ back home after the experiment.
A. not until midnight did he go B. until midnight that he didn’t go
C. not until midnight that he went D. until midnight when he didn’t go
⑥——Was his father very strict with him when he was at school?
—— Yes. He had never praised him ______ he became one of the top students in the grade.
A. after B. unless C. until D. when
1．由although / though ，even if / though引导
注意although / though 引导从句时，主句不能用but，但可用yet或still。
2．由whether … or (not) 引导
⑦—— Dad, I’ve finished my assignment.
—— Good, and _______ you play or watch TV, you mustn’t disturb me.
A. whenever B. whether C. whatever D. no matter
It will be + 一段时间+ before + 从句
It won’t be long before + 从句
⑧ It will be a long time _____ Mr. Black ______ back abroad.
A. before; comes B. since; has come
C. before; will come D. after; will come
⑨——I have learned that a large new building will be set up ______ the Twin Towers once stood.
—— So have I. But the American people haven’t yet got over the shock of September 11.
A. where B. when C. which D. that
【考点9】so that 可引导目的状语从句和结果状语从句
⑩Roses need special care ________ they can live through winter.
A. because B. so that C. even if D. as
1．当when，while，if，unless引导状语从句时，如果主从句的主语一致，且谓语部分由be动词构成（或者从句中有it is…）时，可省略主语和be动词（或省略it is）。
2．在虚拟条件状语从句中，如果从句中有had，should，were时，可省略if，用“had，should，were + 主语”形式。
4．as if 和as though 从句可用省略形式，后接不定式、分词、形容词和介词。
⑾The research is so designed that once ____ nothing can be done to change it.
A. begins B. having begun C. beginning D. begun
⑿Generally speaking, _____ according to the directions, the drug has no side effect. (
A. when taking B. when taken C. when to take D. when to be taken
答案：BBBCC CBAAB DB
1．________, I couldn’t lift the box.
A. As I might try B. Try although I might
C. As try I might D. Try as I might
2．The next moment, _____ she had time to realize what was happening, she was hit over the head.
A. when B. before C. since D. as
3．——Do you have any idea what Hank does all day?
——I know he speaks at least as much time watching TV as he __________.
A. does writing B. writes C. is writing D. does to write
4．If the way _____ you do the job is wrong, you will surely fail ____ good your idea may be.
A. how; however B. /; however C. that; whatever D. in which; how
5．She must have gone out early, _____ she had not shown up at breakfast.
A. because B. since C. for D. therefore
6．I don’t think you’ll be able to understand that ______ you are my age.
A. even B. only when C. as if D. even when
7．——Don’t look down upon Bob. He has just own advantages.
——Oh, yes. ______ others are weak, he is strong.
A. When B. Though C. Where D. If
8．Christie stared angrily at her boss and turned away, as though ______ out of the office.
A. to go B. went C. gone D. would go
9．——Excuse me, is there a gas station around _______ I can fill up my tank?
——Of course, there is one at the end of the road.
A. that B. in which C. where D. which
10．I was advised to arrange for insurance _____ I needed some medical treatment.
A. so that B. in case C. for fear of D. though
11．Mr. Li, though in a bad health, is always well prepared _______ students attend his lecture.
A. in order that B. so far as C. whoever D. however many
12．The earth goes around the sun _____ the moon goes around the earth.
A. so that B. just like C. just as D. as how
13．Doing your homework is a way to improve your test scores, and this is especially true _____ it _____ classroom tests.
A. before; gets B. as; makes C. since; takes D. when; comes to
14．When he reads books, his habit is to make a mark _______ the meaning is unclear to him.
A. there B. wherever C. the place D. in which
15．It was not ______ he took off his dark glasses _____ I realized he was a famous football star.
A. when; that B. until; did C. when; then D. until; that