The astronauts succeeded in_____from the moon to the earth.A.return B.returning C.to returnD.returned
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在此为介词接动名词
答
B,
in是介词,后面跟动词的ing形式
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