you __(can't/mustn't) talk loudly on the underground.
you __(can't/mustn't) talk loudly on the underground.
You mustn't talk loudly in the cinema.(改为祈使句)
You mustn't talk loudly in the cinema
you mustn't talk loudly in the reading-room
We ______ talk loudly in the library.A.must B.mustn't C.can
改为祈使句:You can't talk loudly in the library
you can't talk loudly in the library 改为祈使句
You mustn't talk loudly in the reading-room(改为祈使句)
You mustn't talk loudly in the cinema.[改为祈使句〕
You mustn't talk in the class.
Don't talk loudly at the meeting .If you __ ,you have to go
翻译:They can make the books humid.Fourth,don't talk loudly on