4.3 课时作业
Ⅰ.用所给动词的适当形式填空
1．These milu deer are ________ (protect) in Nan Hai Zi Milu Park, in Beijing.
2．He must ________ (praise) by our teacher at this time.
3．Look! People ________ (save) from the train buried under the snow.
4．________ the meeting ________ (hold) in the hall now?
5．This work ________ (not do) at present.
6．The writer and teacher ________ ________ ________ (give) a warm welcome now.
7．The meeting ________ ________ (hold) now is of great importance.
8．The plan he made a few days ago ________ ________ ________ ________ (carry out) now.
9．The children, who lost their parents in the terrible earthquake, ________ ________ ________ ________ ________ ________ (take good care of) by some welfare organizations.
10．When he was a boy, he used to go there and watch bicycles ________ ________ (repair)．
答案：1.being protected 2.be being praised
3．are being saved 4.Is; being held
5．is not being done 6.is being given
7．being held 8.is being carried out
9．are being taken good care of 10.being repaired
Ⅱ.将下列句子改为被动语态
