Was it in 1969 ____ the American astronaut succeeded ____ landing on the moon?A．_刷题宝

题干

Was it in 1969 ____ the American astronaut succeeded ____ landing on the moon?

A．when; on

B．that; on

C．that; in

D．when; in

上一题下一题 0.64难度单项选择更新时间:2013-06-20 09:58:11

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