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39. A. which        B. when           C. for           D. then

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38. A. could     B. should       C. would           D. might

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37. A. easy      B. simple           C. abstract     D. difficult

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36. A. nowhere  B. everywhere      C. anywhere       D. somewhere

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34. _______ laws of motion are simple, motion, as we see it in the world about us, certainly is not.

A. When    B.   While      C. As    D. Even

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33. They stood on the top of the high building, ________ they could see the whole city.

A.   in that  B. in which      C. form it       D. from where

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32. The best job is __________ that uses your skill in doing something together with your interest in the subject.

A. it     B. the one   C. that  D. one

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31. After that earthquake last year, we had to start _________ scratch rebuilding our houses.

A. of    B. from         C. in       D. up

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30. __________ is responsible for the Chenzhou train collision will be punished.

A. Whatever    B. No matter what      C.  Whoever   D. No matter who

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