用括号内所给单词的适当形式填空。

1. Have you _____ (do) anything to keep the water clean?

2. Project Hope has built schools and _____ (library).

3. Our city _____ _____  (change) a lot since 2001.

4. The girl left the classroom without _____ (say) anything.

5. All of us want to know how _____ _____  (play) computer games.

鼻腔的感觉神经来自于（）

A.眼神经和上颌神经

B.岩深神经

C.岩浅大神经

D.面神经

E.视神经