根据句意，用括号中所给单词的适当形式填空。
1. The victim's __________ (arrive) made all of us very excited.
2. It's _________ (polite) to laugh at others.
3. He never told truth before. He was a __________ (honest) boy.
4. Male wolves __________ (protect) their families if there is danger.
5. We shouldn't buy clothes __________ (make) of animal fur.
6. They __________ (plan) a trip to Beijing from 6 to 8 yesterday evening.
7. The girl will try her best __________ (learn) English well.