题目:
The secretary worked late into the night, ___a long speech for the president. A. to prepare B. preparing C. prepared D. was preparing
答案:
B
解析:
句中worked已经是谓语动词了,如果选D,句中就有两个谓语动词了,所以D错误。 现在分词表主动,过去分词表被动。由于“the secretary”与“prepare”是主动关系,所以C错误。 如果选A,就是动词不定式表示目的,如果选B,就是现在分词表示伴随状态。由于“worked”的实质就是“prepare a long speech for the president”,所以选A显然不符合句意。
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