用所给的词的适当形式填空。（共10分，每小题2分）
1.Xiao Gang spends much time ( play) puter games.
2. The little boy has only eight (tooth) now.
3.Will you (take) part in the long jump ?
4.I think I must do my best (improve) my English.
5. You must do sports to keep (health).1. playing 2.teeth 3. take 4. to improve 5.healthy
网友回答
(答案→)1. playing 2.teeth 3. take 4. to improve 5.healthy
解析：
1.spend+时间+doing表示某人花费多长时间做某事的含义，故本句空格处填playing。
2.本题的含义为小男孩现在有8个牙齿，故本题空格处填牙齿的复数形式teeth。
3.助动词will后跟动词原形take。
4.do one’s best to do sth表示竭尽全力做某事的含义，故本题空格处填to improve。
5.连系动词keep后跟形容词健康的表示保持健康的意思，故本题空格处填healthy。