Many experts seem to agree that _______ certain limit should set on ________ consumption of cars to ease air pollution.
| A．a; the | B．/; the | C．the; / | D．the; a |
I can’t stand _____ with Jane in the same office. She just refuses ____ talking while she works.
| A．working; stopping | B．working; to stop |
| C．to work; stopping | D．to work; to stop |
Your story is perfect. I’ve never heard ____ before.
| A．the better one | B．the best one | C．a better one | D．a good one |
– Are you free after school?
-- Sorry. I’ve planned to treat a friend of mine to dinner ___ for his help.
| A．in addition | B．in turn | C．in return | D．in total |
I haven’t seen Sara since she was a little girl, and she has changed beyond ____.
| A．hearing | B．strength | C．recognition | D．measure |
I ____ at my new novel when the big earthquake happened at 2:20 pm.
| A．am working | B．was working | C．have worked | D．had been working |