题目内容
4.The headmaster needs the plan this morning,so we ______ finish it within an hour.( )| A. | can | B. | must | C. | may | D. | need |
分析 校长今天上午需要这个计划,因此我们必须在一个小时内完成它.
解答 答案:B.can能,会;must一定,必须;may可以;need需要.根据The headmaster needs the plan this morning,可知校长今天上午需要这个计划,所以我们必须在一个小时内完成它.must一定,必须.故选B.
点评 本题考查了情态动词的用法.解答时注意:must一定,必须,表示对事物的一种肯定的推测.
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