The astronauts succeeded in_____from the moon to the earth.A.return B.returning C.to return
问题描述：
The astronauts succeeded in_____from the moon to the earth.A.return B.returning C.to return
D.returned
答
B,
in是介词,后面跟动词的ing形式
祝你更上一层楼,有不懂的可以再问哦