题目内容：

根据句意，用括号中所给词的适当形式填空。（5分）

1.Don’t give up ________________(study)English well. It’s very important for us.

2.To ________________(us)surprise, he has made much great progress.

3.Can you make a ___________________(decide)about it?

4.Nobody likes to be friends with anyone who is __________________(honest).

5.The old man is ＿＿＿＿＿(know),he almost(几乎)knows everything.