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．when; in

D．that; in

上一题下一题 0.85难度单项选择更新时间:2011-03-12 02:36:42

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