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英语
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When all those present___he began his lecture.(D)
A.sit B.set C.seated D.were seated
为什么选择D 没懂
人气：137 ℃ 时间：2020-04-19 02:20:53
解答
动词seat的用法就是：be seated,表示就座.
sit的过去式是sat,这里没有,所以只能选D.
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