试题与答案

It was 1969___ the American astronauts s

题型:选择题

题目:

It was 1969___ the American astronauts succeeded in landing on the moon.

A. that

B. when

C. on which

D. which

答案:

答案:B

when 引导定语从句修饰时间1969 。1969前加上介词in可以选A ,此时是强调句。

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