题目内容

选择括号内恰当的单词或词组填入空白处,使句意完整、正确。

86.Are you going to               (join / take part in)the school rowing club?

87.I think the computer is               (used / useful).

88.I spent two hours                (sweep / sweeping)the house yesterday.

89.The house is so expensive that I can’t               (share / afford)it.

90.Even scientists aren’t sure               (if / whether)or not there are UFOs.

   

86.     join            87.    useful      88.     sweeping     

89.     afford          90.    whether    

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