can i walk across the road now ,mum?no you _____ .you have to wait until the right turns greencan i walk across the road now ,mum?no you _____ .you have to wait until the right turns greenA.couldn't B.shouldn't C.mustn't D.needn't选哪个为什么

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can i walk across the road now ,mum?no you _____ .you have to wait until the right turns greencan i walk across the road now ,mum?no you _____ .you have to wait until the right turns greenA.couldn't B.shouldn't C.mustn't D.needn't选哪个为什么
can i walk across the road now ,mum?no you _____ .you have to wait until the right turns green
can i walk across the road now ,mum?
no you _____ .you have to wait until the right turns green
A.couldn't B.shouldn't C.mustn't D.needn't选哪个为什么

can i walk across the road now ,mum?no you _____ .you have to wait until the right turns greencan i walk across the road now ,mum?no you _____ .you have to wait until the right turns greenA.couldn't B.shouldn't C.mustn't D.needn't选哪个为什么
Can I walk across the road now ,Mum?
No you _____ .you have to wait until the light turns green
A.couldn't B.shouldn't C.mustn't D.needn't
选C
选项C.mustn't语气最强,意思是:“禁止、不准”.因为横过马路闯红灯有危险,所以,语气必须强,你说是吗?

C. mustn't
不准

选C。记住在英语中mustn't是禁止的意思,通常用于强烈的否定一般都是危险的事情。这道题是考察情态动词的用法。