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          【題目】It is_________( possible ) for the little boy to finish such difficult work in half an hour.

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          【題目】He decided to help the doctors and nurses go home without_____.(hesitate)

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          【題目】His mother looked_____at his son’s bad record.(disappoint)

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          【題目】He has never been greatly concerned about his_____.(disappear)

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          【題目】To our surprise, the American president Trump can speak Chinese very_____.(fluency)

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          【題目】After graduation, he worked at a panda base instead of_____his study.(far)

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          【題目】With the help of the Internet, we may have access to a wide_____of free online resources.(various)

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          【題目】 You look sad. What has happened?

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          【題目】Some holes ________ (dig) yesterday. We can put the young trees in them now.

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          【題目】It rained______last night. ( heavy)

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