题目内容
10.You _______ stop when the traffic light is red.( )| A. | may | B. | can | C. | must | D. | need |
分析 红灯亮的时候你必须停止.
解答 答案:C.这里是考查情态动词,may可能,can能,会,must必须,need需要,结合句意可知这里用must表示必须,红灯亮时必须停止,是交通法规,故答案是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,
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