【每日一練】考研英語狀語從句選擇填空練習（8）_跨考網

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　21. Not until I began to work __________how much time I had wasted.

　　A. didn’t I realize?????? B. did I realize?????? C.I didn’t realize???????? D. I realized

　　22. Not until all the fish died in the river __________how serious the pollution was.

　　A. did the villagers realize?????????????? B. the villagers realized

　　C. the villagers did realize?????????????? D. didn’t the villagers realize

　　23. —Why do you drink so much coffee？

　　—Well， _________it doesn’t keep me awake in the nights， I see no harm in it.

　　A. although????? B. if???????? C. unless?????????? D. while

　　24. It was __________it rained heavily that they didn’t come.

　　A. as?????????? B. because?????????? C. for????????????? D. since

　　25. Why not buy a cheaper one， _____________you don’t have enough money？

　　A. since?????????? B. because??????? C. for??????????? D. though

　　26. It is ten years ____________I left home.

　　A. when??????? B. after??????????? C. since????????????? D. as

　　27. He speaks English _____________he speaks his mother tongue.

　　A. so good as???????? B. as good as????????? C. so well as????????? D. as well as

　　28. Try _______he might， he couldn’t get out of difficulty.

　　A. when?????????? B. where???????? C. till??????????????? D. as

　　29. __________I saw the computer， I showed great interest in it.

　　A. At first?????? B. For the first time???????? C. Until???????????? D. The first time

　　30. I don’t think you’ll be able to understand this formula(公式) ____________you finish school.

　　A. as if?????????? B. only when???????????????? C. even????????? D. even when

　　21—25 BAABA? 26-30 CDDDD

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