用所给单词的适当形式填空。

1. I'd like to go to Zhangjiajie and I think it's an _______ (excite) place.

2. Would you mind my _______ ( open)  the windows. I'm very hot.

3. Would you please give me _______ (some) help with my English?

4. It's best _______( plant) trees in spring because it's warm and humid.

5. I want to be relaxed on vacation and have _______ (something) fun to do