---- There’s no light on. ---- They ________ be at home.A．can’tB．mustn’tC．nee

题型：不详难度：来源：

---- There’s no light on. ---- They ________ be at home.

A．can’t

B．mustn’t

C．needn’t

D．oughtn’t to

答案

解析

can’t表推测“不可能”“没有灯光，他们不可能在家。”

举一反三

They didn’t turn up at the meeting yesterday. Otherwise, they _________ the report.

A．had listened to	B．would listen to
C．should listen to	D．would have listened to

题型：不详难度：| 查看答案

---Was the teacher strict?
---Yes. He requested that we ________ television on week nights.

A．didn’t watch

B．must not watch

C．not watch

D．have not watched

题型：不详难度：| 查看答案

—What is an ideal team leader like?
—He ______ be responsible, determined and creative．

A．can

B．may

C．would

D．should

题型：不详难度：| 查看答案

If people ______virtual reality holidays, we ______ on an around-the-world tour．

A．invent; go	B．invented; had gone
C．invent; have gone	D．invented; would go

题型：不详难度：| 查看答案

At the sight of the snake, the little girl _____ move.

A．dares not

B．doesn’t dare to

C．dare not to

D．dares not to

题型：不详难度：| 查看答案