1. We bought Granny a present, ＿＿＿ she didn't like it.
A. but B. and C. or D. so
［答案］ A.
［析］ 由于句意的原因，应选择转折连词。
2. Run quickly, ＿＿＿ we'll miss the early train.
A. and B. but C. so D. or
［答案］ D.
［析］ or这里应译为：否则。
3. I'll give the book to him ＿＿＿ he comes back.
A. since B. as soon as C. before D. until
［答案］ B.
［析］ as soon as 引出的时间状语从句应用一般现在时表示将来要发生的动作。
4. Don't cross the road ＿＿＿ the light turns green.
A. when B. while C. until D. as
［答案］ C.
［析］ until应译为"直到……才"，因为前面的祈使句为否定句。又如：She did not go to bed until her mother came back. 应译为"直到她妈妈回来她才睡觉"。
5. Miss Gao has been a teacher ＿＿＿ 1990.
A. before B. after C. since D. in
［答案］ C.
［析］ 因为主句为完成时，所以应用 since表示该动作的启始点。
6. - Which would you like better, tea ＿＿＿ milk?
- Tea, please.
A. but B. and C. or D. with
［答案］ C.
［析］ 在疑问句与否定句中应用or来表示一种选择。
7. We love spring ＿＿＿ there's beautiful flowers every where.
A. though B. but C. or D. because
［答案］ D.
［析］ 因为这里表示的是因果关系。
8. Please leave ＿＿＿ 7∶００, then you'll be able to get ＿＿＿ there earlier.
A. till, in B. from, / C. before, / D. behind, to
［答案］ C.
［析］ before为在7:00之前离开。
9. The teacher didn't begin the lesson ＿＿＿ all the students stopped talking.
A. until B. after C. if D. because
［答案］ A.
［析］ 这句应译为"直到所有的学生都停止讲话老师才开始上课"。因begin为瞬间动词，所以应用否定句。
10. Betty didn't go to see the film yesterday ＿＿＿ she was ill.
A. but B. until C. if D. because
［答案］ D.
［析］ 这里是表示因果关系，所以应用because。因为她病了所以未去看电影。
11. You must start right now, ＿＿＿ you'll miss the train.
A. for B. and C. so D. or
［答案］ D.
［析］ or译为"否则"。本句句意为：你必须马上走了，否则要赶不上火车了。
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