You shouldn’t eat or drink in the reading room.改为同意句

You shouldn’t eat or drink in the reading room.改为同意句 you shouldn't eat or drink while____down the street don't eat or drink in the subway?改为同义句 You must not eat or drink in tile reading room.(祈使句)_____ __ You can't eat or drink in the classroom.(改为祈使句） ------------ You must not eat in the reading room.改为祈使句 看到一句英语句子：You shouldn't drink coffee or tea in the evening.书里 You shouldn't take the books out of the reading room.保持句意不变 He shouldn't eat anything 同意句 do not eat or drink in the classoom=you?eat or drink in the you shouldn't eat or drink while walking,为什么要用walking We must eat or drink in the classroom.改为否定句怎么改