Look!Oneofthechildren_____intheriver.A.wa

发布时间:2020-08-04 17:03:02

Look!One of the children _____ in the river.A.was swimmingB.is swimmingC.are swimmingD.were swimming

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B解析根据Look!,用现在进行时,且主语是!One of the children,谓语要用单数,选B。
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