We were kept____for quite some time.A.to wait B.waiting C.waited D.wait

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We were kept____for quite some time.
A.to wait B.waiting C.waited D.wait

B
keep doing
固定搭配
要背下来

不一定只有keep doing 的。

B.waiting
过去进行时啊

C 他们让我们等了好长一段时间。
We were kept 被动,waited 过去时
用keep + ing 时,表示不断做某事。