Theconductorkept________themhot

发布时间:2020-07-28 02:24:58

The conductor kept ________ them hot water during the trip.A.offerB.offeringC.offersD.offered

网友回答

B解析通过题意得知“那位乘务员一直在给他们供水”,持续做某事应该用keep doing sth,因此选B项。
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