Hehadthreemen______forhiminthechemistrylab.A.toworkB.workingC.workedD.to

发布时间：2020-08-07 09:40:16

He had three men ______for him in the chemistry lab.A.to workB.workingC.workedD.to be working

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B解析本题考查have sth./ sb. +非谓语动词的用法。
have sth. doing表“让……一直（做）下去。”
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