It was more than fifteen years ago______I entered the laboratory of Professor Agassiz.

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问题 It was more than fifteen years ago______I entered the laboratory of Professor Agassiz.

选项 A、when
B、that
C、in which
D、since

答案B

解析 “十五年前,我加入了Agassiz教授的实验室。”此题为语法题,考查强调句的用法。It is(was)…that…为强调句的固定结构,因此答案为B。
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本试题收录于: 英语题库普高专升本分类
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