(用所给动词的正确形式填空) No ________ (sleep) is allowed in our class．

(改为被动语态)He washed his clothes yesterday．

　　His clothes ______ ______ by him yesterday．

(改为被动语态)I saw my teacher go into the classroom just now．

　　My teacher ______ ______ to go into the classroom just now．

(改为被动语态)Did he do his homework last night?

　　______ his homework ______ by him last night?

(改为被动语态)They looked after the girl very well．

　　The girl ______ ______ ______ by them very well．

(改为被动语态)He copied all the new words．

　　All the new words ______ ______ by him．

（完成单词）The fire s______ to the next house．

（完成单词）They are making paper from w______．

（完成单词）Labour(劳动)p______ wealth(财富)．

（完成单词）Flu(感冒)is an o______ sickness．