He ______ be at home, because the light in his room is on.A．mustB．can’tC．canD．mi

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He ______ be at home, because the light in his room is on.

A．must

B．can’t

C．can

D．might

答案

解析

肯定性推测要用情态动词must.

举一反三

– I have no money. Do you have any?
– No, I don’t have any money, ________.

A．too

B．either

C．also

D．but

题型：不详难度：| 查看答案

He has poor eyesight ________ he works on the computer at night.

A．because

B．because of

C．and

D．but

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---I don’t think an aged woman should eat so much sweet food.
---I agree with you, ______ I like chocolate so much that it’s already part of my life.

A．but

B．so

C．and

D．or

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Plane will be very large _______ flying will be very cheap.

A．and

B．so

C．but

D．or

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I could speak ______Japanese_______ Chinese , so I had to talk with him in English.

A．not only; but also

B．both;and

C．neither; nor

D．either; or

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