4.　　　 Mrs Brown always gives me a hand when I am in trouble. I am really g_____ to her.

3.　　　 There is a ball(舞会) this evening. I think you had better take your p_____ along.

2.　　　 We must be c_________ before danger.

1.　　　 My uncle suffered from a serious disease. Luckily he has r_____ now.