题目内容

Although he has failed many times, he keeps _____ hard to make his dream come true.
A. working             
B. to work               
C. worked
A

试题分析:句意:虽然,他已经失败了许多次,但是,他仍坚持努力工作,为了实现他的梦想。分析:考查固定短语keep doing sth.坚持做某事。故选 A
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