题目内容
【题目】It _____ Mike and Mary who helped the old man several days ago.
A. was B. are C. were D. had been
【答案】A
【解析】考查强调句式。强调句式由“It is/was +被强调成分+that/who…”构成。由于句中的动作是发生在过去，故选A。
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题目内容
【题目】It _____ Mike and Mary who helped the old man several days ago.
A. was B. are C. were D. had been
【答案】A
【解析】考查强调句式。强调句式由“It is/was +被强调成分+that/who…”构成。由于句中的动作是发生在过去，故选A。
