With examinations coming immediately, you the Internet last night. A．mustn’t surfB．shouldn’t surfC．couldn’t have surfedD．shouldn’t have surfed 题目和参考答案——青夏教育精英家教网—

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13. With examinations coming immediately, you ________ the Internet last night.

A．mustn’t surf	B．shouldn’t surf
C．couldn’t have surfed	D．shouldn’t have surfed

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29. A big earthquake hit Yushu, Qinghai province in the early morning, and if a little later, many more people _______.

A．could survive	B．might have survived
C．must have survived	D．should survive

. — You could have turned to the soldiers for help.
— Yes, but we ____ to manage it on our own. Who would think we would fail?

While crossing the mountain area, you’d better carry a stick in case you________by wild animals.

Let the dog loose so that it_____have a run.

110. --- It is warm and I am just wearing a shirt today.
--- But the weather here ____ change.

55. I can’t see John anywhere. Where _____ he have gone?

We must apply what we have learned to our daily work because in no case _____ from practice.

A．should theory separate	B．should theory be separated
C．theory should separate	D．theory should be separated

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