More trees and flowers should ______ every day to make our school more beautiful.
| A．is planted | B．was planted |
| C．be planted | D．were planted |
Most Americans would prefer to keep their problems_______ themselves and solve their problems_______ themselves.
| A．to; by | B．by; to |
| C．for; to | D．in; on |
He felt even_______ when_______ he failed the Math exam again.
| A．bluer; hearing | B．bluer; to hear |
| C．greener; hearing | D．redder; to hear |
The best way to learn English is_______ you_______ in an English-speaking environment.
| A．let; live | B．to let; to live |
| C．letting; living | D．to let; live |
- Madam, would you mind my opening the window?
-_______. My baby has a cold.
| A．Of course not | B．Sorry, I'm afraid you can't |
| C．Yes, please | D．OK. I'll do it right away |
- He hardly spent any time on his subjects, _______?
-_______, so he did badly in his lessons.
| A．didn't he; Yes | B．did he; Yes |
| C．didn't he; No | D．did he; No |