The streets are all dry . It ____ during the night . A．can""t have rainedB．mustn
题型：不详难度：来源：
The streets are all dry . It ____ during the night . | A．can""t have rained | B．mustn""t have rained | C．couldn""t rain | D．shouldn""t have rained |
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答案
| A。 |
解析
| can""t have rained 表示推测过去准没下过雨。 |
举一反三
Look! Xiao Wang is too sleepy to work . He ____ up watching TV . | A．mustn""t have stayed | B．shouldn""t have stayed | | C．mustn""t stay | D．ought not to stay |
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As a soldier , you ____ do as the head tells you . | A．will | B．shall | C．may | D．ought |
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Put on more clothes . You ____ be feeling cold with only a shirt on . | A．can | B．could | C．would | D．must |
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You are wet through . You ____ in the rain . | A．must come | B．must be caught | C．must have caught | D．must have got caught |
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Mary ____ be in Paris . I saw her a few minutes ago . | A．mustn""t | B．shouldn""t | C．can""t | D．may not |
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