【Manypeoplewatchedtheboys_____themountainatthattime.A.climbB.climbingC.toclimbD.climbed改选哪个?】
2021-06-17 58次 反馈错误 加入收藏 正确率 : 100%
题目内容：
Many people watched the boys _____the mountain at that time.
A.climb B.climbing C.to climb D.climbed 改选哪个?
优质解答
B,watch sb doing sth 固定的罢
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