This nationwide smog should serve as a reminder to all, indicating a high time that we ______ on what we've done to the environment.
| A．have reflected | B．are reflecting | C．will reflect | D．reflected |
---- I’m sorry to keep you waiting. I’ll make short of work of this.
---- . _______. I’m not in a hurry.
| A．Go ahead | B．Not at all | C．Take your time | D．As you like |
For a long time they walked without saying ____ word. Jim was the first to break ____ silence.
| A．a; the | B．the; a | C．a; / | D．the; / |
----How was the dance? -----______________.
| A．That’s OK. | B．Don’t mention it. |
| C．I’d love to. | D．It was so much fun. |
Many questions ________ at the meeting, but he answered none.
| A．came up | B．raised | C．were talked | D．asked |
It was very difficult to ______ the excited football fans.
| A．set down | B．put down | C．come down | D．calm down |