If you finish your homework,you __go out to play.A.should B.

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If you finish your homework,you __go out to play.A.should B.could C.will D.must 这里为什么选D?
前面还有一句.Mom,can i play outside now?If 引导的条件状语从句不是主将从先么?为什么这里选D啊?
搞错了

A.should B.could C.will D.must这四个都是情态动词,should是应该,可以的意思.也可以用于请求,禁止（后面加not）等.could一方面是can的过去式,另一方面是表示允许,许可的意思.翻译为：可以,能够.will是表示将来时态,显然用在这里不对.must比较重要,意思是必须,意思一看也不对.这道题里面选could跟前面can没有关系,是考查这四个情态动词的用法.你去查一下语法情态动词就更清楚了!

If you finish your homework,you __go out to play.A.should B. If you ___ your homework,You can play games.A.will finish B. you can go out to play after finish your homework.中的finish形式 You can go out to play p——— you finish your homework first. if you don't finish your homework first,you can't go to play you should finish your homewoek _______ you go out to play. you should try your ( )《good》to finish your homework. If you _______ your homework,you can go out to play football Jane,you finish your homework before going to play basketbal You should finish your homework before _____(go)to bed. if your homework （） finished,you can go out to play Don't go Out and play until you finish your homework