轉換成以can't或don't開頭的 祈使句

題目：

轉換成以can't或don't開頭的 祈使句
1.We shouldn't run in the classroom.2.We mustn't sleep in the class.3.You should not smork..4.You should not drink beer.

解答：

dont run in the classroom cant sleep in the class dont smoke dont drink bee