练习册

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    题目列表(包括答案和解析)

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    60. It is very important ______ (not give) your goldfish too much food.

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    59. It took him much time ______(mend) the broken bike yesterday.

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    58. We will go fishing if it ______ (not rain) tomorrow.

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    57.I spend half an hour _______(clean) the fish tank every day.

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    56. The Internet ______(connect) the computer networks all over the world.

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    55. You ought to _______(use) English more often.

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    54. Listen, someone _______(knock) at the door.

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    53. Paul tried ______ (open) the door but failed.

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    52. A kilo of beef ______ (cost) 10 yuan.

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    51. Yesterday I ______(lose) my watch.

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