2.2 课时作业
Ⅰ.用括号内动词的适当形式填空
1．________ (not recognize) the voice，he refused to give the person his address.
2．________ (be) so angry，he couldn't go to sleep.
3．________ (hold) guns, the soldiers rushed out.
4．The children went out of the school, ________ (talk) and ________ (laugh)．
5．The fish can eat a man in a few minutes, ________ (leave) only the bones.
6．________ (walk) along the valley，we came across a large cave.
7．________ (not know) his telephone number, I couldn't get in touch with him.
8．I ran out of the house ________ (shout)．
9．________ (arrive) at the worksite，she found them busy laying bricks.
10．When ________ (leave) the airport, they waved again and again to us.
答案：1.Not recognizing 2.Being 3.Holding 4.talking; laughing 5.leaving 6.Walking 7.Not knowing
8．shouting 9.Arriving 10.leaving
Ⅱ.句型转换
1．When he worked in the factory, he was an advanced worker.
________________， he was an advanced worker.
2．As I didn't know his telephone number，I couldn't get in touch with him.
________ ________ his telephone number，I couldn't get in touch with him.
