Theirperformanceissofunnythatwecouldn'tstoplaughing.A.couldn'tbeg

发布时间：2020-08-07 09:10:08

Their performance is so funny that we couldn't stop laughing.A.couldn't begin to laughB.couldn't stop to laughC.couldn't help laughingD.couldn't help to laugh

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C解析couldn't stop doing sth. =couldn't help doing sth.
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