I. 根据括号中所给汉语用适当的词语填空。
1. Billy and Tony had a ___________(打架)for a small thing.
2. We should never give in to our ____________(敌人).
3. Danny ____________(表现)like a gentleman last time, but this time he didn’t.
4. Jill is an ____________(诚实的)girl. She never lies to anyone.