It was in 1969 ______ two Americans went to the moon by spaceship.A．whenB．thatC．_刷题宝

题干

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

A．when	B．that
C．at that time	D．just then

上一题下一题 0.64难度单项选择更新时间:2010-10-14 02:27:37

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