【theyweresurprisedthatachildshouldworkouttheproblem____theythemselvescouldn't.A.butB.whileC.ifD.however麻烦针对这句话,】
2022-01-27 37次 反馈错误 加入收藏 正确率 : 100%
题目内容：
they were surprised that a child should work out the problem____they themselves couldn't.
A.but B.while C.if D.however
麻烦针对这句话,
优质解答
while
就是表转折,而且前面没逗号不能用but
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