--May I watch TV now?--I'm afraid ___.You must finish your homework first.A.not B.you not C.you don't D.you mustn't老师说选D

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• --May I watch TV now?--I'm afraid ___.You must finish your homework first.A.not B.you not C.you don't D.you mustn't老师说选D
• Could I watch TV ,Mom? No,you .You must finish your homework first.Could I watch TV ,Mom?No,you（ ） .You must finish your homework first.A.mustn’t B.couldn’t C.may not D.needn’t选哪个?我觉得是B,可是我们老师说是A 知道的能不能解释下,难道是情态动词的回答can't和couldn‘t不一样?什么时候用couldn't什么时候用can't 呢?那么You may be 和You might be能否等同?Excuse me,is this the right way to No.1Middle School?Sorry,I'm not sure.But it ( )be.A/can B.need C .must D.might.这个问题又该选哪个?我们老师说是选D的,可是migh
• 我了解到情态动词may的否定回答有用 can’t / mustn’t的,那什么时候用can’t 什么时候用mustn’t呢?主要想了解二者的区别但是一般资料上都是用的mustn’t回答！若遇到考试，我该用哪种回答呢？我没搞懂）我想用mustn’t回答，但我又看到一道题：1.（ ）——May I watch TV now?——No,you____.You_____finish your homework first.A.may not should B.can't must C.mustn't can D.doesn't must【此题应选B，我选的C。但may提问否定回答时不是用mustn't吗？怎么用can't，顺便讲一下情态动词的回答】
• you can't listen to music when you do your homework .改为祈使句
• 将下列改为祈使句：1、You should do your homework every day.2、You can't arrive late for school3、You have to clean the classroom after school.4、You shouldn't speak loudly in the library.5、You can't listen to music in the ciassroom.