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40. So far a lot of man-made satellites ______ into space.

  A. are being sent up     B. have being sent up   C. have sent up    D. have been sent up

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39. Don’t worry. She can take care of the old woman ______.

  A. careful enough       B. carefully enough     C. enough careful  D. enough carefully

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38. We haven’t finished our class work, ______?

  A. have we           B. haven’t we         C. don’t we       D. do we

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37. ______ is dangerous to play in the street.

  A. This               B That               C. It            D. He

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36. Hurry up! It’s time to go.  OK. _____.

  A. I’m coming         B. I’ll come          C. I’ve come      D. I come

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35. The student didn’t go to bed ______ eleven o’clock.

  A. before              B. until              C. after          D. when

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34. The dictionary ______ me fifteen dollars.

  A. cost               B. paid              C. took          D. spent

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33. ______ the radio. The baby is sleeping.

  A. Turn on               B. Turn off           C. Turn down     D. Turn up

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32. It’s raining ______, they have to stay at home.

  A. hardly              B. badly              C. heavily        D. loudly

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31. ______ have you been to Beijing? Twice.

  A. How long           B. How soon          C. How many times    D. How much

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