It’s important ___ us to protect the environment and it’s wise ____ us to save water .
| A．for , for | B．of , of | C．for , of | D．of , for |
–Could you please tell me__________?
--He is under the big tree over there.
| A．where is Tim | B．where was Tim |
| C．where Tim was | D．where Tim is |
I like these photos and they can________me________the life living in America.
| A．think; of | B．remind; of |
| C．compare; with | D．wake; up |
He wasn’t able to arrive on time__________the heavy snow.
| A．because | B．because of |
| C．if | D．so |
Our classroom is so clean. It__________every day.
| A．is cleaned | B．was cleaned |
| C．cleans | D．cleaned |
The clay is fired____________ a very high heat
| A．in | B． on | C． at | D． over |