(5) You must listen to your teacher carefully．
Your teacher_______ ________ _________ ________ carefully.
(6) The wind blew down the tree．
The tree_________ _______ ________ _________ the wind．
(7) You shouldn't take these magazines away from the library．
These magazines ________ _________ ________ _________ from the library.
(8) They often talk about the weather．
The weather__________ _________ _________ __________ .
III.把下列句子转换成被动语态.
We can finish the work the day after tomorrow．
She looked after the children quite well.
Will Xiao Li Show us around the school this afternoon?
The boss made the workers work from morning till night．
The doctor asked him to take the medicine three times a day．
You must not take the books out of the library．
Thousands of people visit this museum every day．
You may hand in your composition tomorrow，
You can't see the stars in the daytime．
You must take good care of the dictionary．
IV. 用动词的适当形式填空。
(l) His uncle_________ (go) to work in Australia in 1980. He_________
(work) there for a long time，
(2) Tom____________ (make) quite a few friends since he
___________ (study) in our schoo1．
(3) We_________ just_________ (receive) a letter from Mr.
Zhang． He_________ ( write) the letter a week ago．
(4) She_________( visit) it， she_________( learn) a lot．
(5) A：_________ you__________ (see) pandas?
B： Yes， I have．
V. 用动词的适当形式填空。
1． —_________ your sister__________(arrive)?
—Yes， she has．
—When _________she__________ (arrive)?
—She _________(arrive)two hours ago．
2. Where_________Lucy__________(go)?I'm looking for her everywhere，
—She_________(go)swimming． She___________(go)half an hour ago，she_____________(go) there five times.
3． —I can't find my glasses·___________ you__________(see)them?
一Yes． You_________(Leave)them in the office yesterday．
4． — Ralph always________(be)a doctor?
一NO，he hasn' t． He_________(be) a doctor for the last ten
years． Before that he_________(be) a teacher．
5． He can't play footbaI1． He__________ (break) his leg．
He___________ (break) his leg when he got off the bus．
6．一__________ you ever_________(read)the story about Lei Feng?
5 Fill in the blanks with the proper forms of have gone or have been
(1) We can’t find Xiao Li anywhere． Please tell me where he______________
(2) She told me she_________ there several times．