题目内容
5.-Mum,___ I play computer games?-Yes,you can.But you have to finish your homework first.( )
| A. | must | B. | may | C. | need |
分析 -妈妈,我可以玩电脑游戏吗?
-是的,你可以,但是你必须首先完成你的作业.
解答 答案:B;must必须;may可以,可能;need必要;根据问句信息-Mum,___ I play computer games?可知该句中用May,表示一种委婉的请求,相当于could.故选B.
点评 解答此类题型的要点是了解各个情态动词用法的不同,然后结合语境选择合适答案.
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