题目内容：

C. 括号内所给动词的正确形式填空。

1.What is he busy doing? Doing the experiment ________(complete) the science project.

2.We’d better ________(choose) him as the best one at the meeting.

3.The government encouraged us _____________(plant) more trees.

4.In fact, the tigers in India ___________(disappear) much faster than pandas now.

5.A talk on study ____________(give ) at the end of every term at school.