题目内容

9. The city of Wuhan spends a large amount of money every year to        the roads and sidewalks.

   A. keep up   B. keep on

   C. keep out   D. keep back

9. A句意为:"武汉市政府每年要花大量的钱来维修(护) 道路和人行道。"keep up意为"维护,维修",故答案为A.

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