—The air in Nanjing was much better during the Spring Festival because people were not allowed to let off firecrackers.
—I agree. Everyone should do what he can the environment.
| A．protect | B．protecting |
| C．protects | D．to protect |
---Is this iPad yours, Jenny? ---No, it’s_____. ____is on the desk.
| A．his;My | B．her;Mine | C．hers; Mine | D．his;Hers |
---Could you please go sightseeing with us this Sunday ?
---______ . I have to finish my homework .
| A．Yes , sure . | B．I’m sorry . |
| C．Excuse me . | D．Good idea . |
I think this room is _____ than that one .
| A．the more comfortable | B．the most comfortable |
| C．much comfortable | D．much more comfortable |
Mum , I want to watch TV. Could I _______ now ?
| A．turn it on | B．turn on it |
| C．turn off it | D．turn it off |
_____ he was very tired , ___ he didn’t stop working .
| A．Though, / | B．Though , but |
| C．But , / | D．Because , / |