A.must 答案 C

B.should C.must have D.should have

解析 由“have got A”可知是对过去发生事情的推测，故用“情态动词+have done”结构。must have done表示“必定做过某事”，符合题意。 4.(07安徽23) The teacher time on him， I suppose. A.should 答案 D

解析 must have done表示对过去所做事情的肯定判断，表示“一定……”。 5.(07江西27)

—

Where is my dictionary? I remember I put it here yesterday.—You

it in the wrong place.

B.should have put

C.might put

D.might have

B.can

C.would

D.must

have thought Johnson was worth it or she wouldn’t have wasted

A.must put put 答案 D

解析 考查情态动词表推测的用法。由yesterday可知A、C两项错误；should应该，理应；might或

许，可能，显然D项正确。 6.(06全国Ⅰ24)

There’s no light on—they A.can’t 答案 A

解析 考查情态动词的用法。句意为：（家中）没有亮灯，——他们肯定不在家。此处要用情态动词表推测，

且用于否定句表示“肯定不……”，故can’t符合要求。must表推测时不用于否定句，mustn’

be at home.

D.shouldn’t

B.mustn’

tC.needn’t