把下列句子改成被动语态.1,The teacher sent the students some books yeste
把下列句子改成被动语态.
1,The teacher sent the students some books yesterday.
2,He always keeps the keys in his pocket.
3,Nobody can answer this question.
4,The story made us laugh again and again.
5,You must listen to your teacher carefully.
6,The wind blew down the tree.
7,You shouldn't take these magazines away from the library.
8,They often talk about the weather.