You __________ buy a gift, but you can if you want to.A.mustB.mustn’tC.have toD.
题型:不详难度:来源:
You __________ buy a gift, but you can if you want to.A.must | B.mustn’t | C.have to | D.don’t have to |
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答案
D |
解析
试题分析:句意为,你不必买礼物了,但是如果你愿意的话也可以买。根据句意可知此处须用否定形式,故排除A、C项;mustn’t 表示禁止;don’t have to 意为“不必……”,故选D。 点评:情态动词有具体的词义,但也同助动词一样,需要与其他词语一起构成句子的谓语,另外情态动词没有人称和数的变化,情态动词后必须跟动词原形。 |
举一反三
House owners keep their gardens in a neat and orderly state according to the regulations. |
— I want to know if I smoke here. — No, you . Could you see the sign “NO SMOKING” there?A.can; needn’t | B.must; can’t | C.shall; won’t | D.may; mustn’t |
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I talked for a long time, and in the end I_____ make her believe me. A.should | B.can | C.was able to | D.must |
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I told Sally how to get here, but perhaps I ______for her.A.had to write it out | B.must have written it out | C.should write it out | D.ought to have writte it out |
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She ______have stopped her work halfway.A.ought to not | B.ought not to | C.not ought to | D.does not ought to |
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