用括号内所给单词的正确形式填空。

1. The famous_________(predict) will come true next year.

2. We will have_________ (little) pollution than before.

3. They want to know if he_________(arrive) in Yantai in 2 days.

4. There are many people ___________(have) a rest.

5. He_________(be) 17 years old next year.