Was it in 1969 ________ the American astronaut succeeded ________ landing on the moon?
A.when;on | B.that;on | C.when;in | D.that;in |
相关知识点
推荐套卷
Was it in 1969 ________ the American astronaut succeeded ________ landing on the moon?
A.when;on | B.that;on | C.when;in | D.that;in |