题目内容
18.-Could I ride an electric bicycle to school,Mr.Wang?-No,you _____.Students under the age of 16 aren't allowed to ride electric bicycles.( )
| A. | couldn't | B. | needn't | C. | can't | D. | shouldn't |
分析 --我能骑电动车去学校吗,王老师?
---不,不能,十六岁以下的学生不能骑电动车.
解答 答案:C.结合no可知这里是否定回答,结合上文是委婉的请求,故回答用can't表示不能,(couldn't不能,needn't没必要,shouldn't不应该)故选C.
点评 情态动词(Modal verbs)本身有一定的词义,表示语气的单词.但是不能独立作谓语,只能和动词原形一起构成谓语.情态动词用在行为动词前,表示说话人对这一动作或状态的看法或主观设想. 情态动词虽然数量不多,但用途广泛,主要有下列:can (could),may (might),must,need,ought to,dare (dared),shall (should),will (would) must not.
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