[课 堂 检 测]
Ⅰ.用所给词的适当形式填空
1．It is the first time that I ________(see) a man so young and so wise.
2．The headmaster recommended Mr.Kin ________(take) a holiday for a change when they finished the project.
3．I’m ________(determine) to work out the problem，though it is a bit challenging.
4．You’d better try ________(persuade) him to go with you because he would be helpful.
5．It’s believed that this project will be of great ________(beneficial) to the younger generation.
