A-A+

The stove is still on.\It ______ on. I had t

2022-08-01 23:05:28 问答库 阅读 168 次

问题详情

"The stove is still on.""It ______ on. I had turned it off myself and I checked it twice."
A.can"t be
B.mustn"t be
C.couldn"t have been
D.mustn"t have been请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:A
解析:can't可以用来对现在状态进行肯定的否认,如:I saw him just going out.He can't be in there now.我看见他刚离开,现在他不可能在里面。注意:can't和can't+动词完成时分别表示对现在和过去事情的推测,语气比较肯定。

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