4. Many a player will ____each other for the gold medal in the match.

答案:　 compete against

3. You must ____yourself in your work, or you will lose your job.

答案:　 be strict with

2. The man used to _____very well with his brothers.　

答案:　 get on

1. You should ____ your bad habit of smoking.　

答案:　 give up