题目内容

Your trousers____ dirty.You must have____ washed.
A．is;ilB．are;itC．are;themD．is;them
C
略
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A．isB．wereC．areD．makes
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A．both the singer and the dancerB．Either the singer or dancers
C．The singer or dancersD．The singer and dancer

23．What we want_____good textbooks.
A．haveB．hasC．isD．Are

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