题目内容
39. Wo must do something (help) the giant pandas.
39. to help
5. hard/not make any mistakes when we learn English
8. 我们必须阻止人们捕杀老虎。 (stop...from...)
1. 坐在河边
2. 对……微笑
3. 在草地上
( ) 12. ―Jack,could you help me when the plane will take off on the Internet?
―I'm sorry. My computer doesn't work.
A. get out B. look out
C. take out D. find out
34. Our English teacher is trying (make) his lessons more interesting.
44. Many (野生的) animals don't have a safe place to live.
5. Tom was playing his brother the river.
2. I saw Lucy (lie) on the ground.
