It was in 1969 ______ two Americans went to the moon by spaceship.A．thatB．befor_刷题宝

题干

It was in 1969 ______ two Americans went to the moon by spaceship.

A．that

B．before

C．when

D．Since

上一题下一题 0.64难度单项选择更新时间:2013-11-12 04:39:02

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