you must be careful when you ___ with fireworksplay .为什么?我选的是 playing.那为什么要用原形.不可以用 played
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you must be careful
you must be careful改为祈使句
You must always be careful with it .
You must be _(careful) than before.
you must be careful.为什么说careful没有be不能形成谓语,不是有must吗
填空题 When you walk___the road,you must be careful.
you must be careful when you ( )the street
You must be more _____next time.是careful 还是carefully
You must be careful with your pronunciation.改为祈使句
you must be careful with your pornunciation.改为祈使句
You must be careful when crossing the street.改为祈使句
while___(cross)the street,you must be careful
It is dangerous .You _____(must be)careful
You must be careful to c_the road.It's dangerous.
You must ___(be) careful (在红绿灯处)
You must be careful to c___ the street.
We must ___(be) careful.
同义句转换 No matter what you do,you must be careful.=Whatever you do,you ______ _____be careful.