—Your uncle speaks English very fluently.
—Sure. He ______ his education in London for three years when he was a teacher ten years ago.
| A．was furthering | B．has furthered |
| C．furthered | D．would further |
Every possible means ______to prevent the air pollution, but the sky is still not clear.
| A．is used | B．are used | C．have been used | D．has been used |
It’s already 10 o’clock. I wonder how it_______ that she was two hours late on such a short trip.
| A．came over | B．came about | C．came out | D．came up |
Gone are the days when women were ____
| A．looked down | B．looked up | C．looked around | D．looked down upon |
______ I can see, there is only one possible way to keep away from the danger.
| A．As long as | B．As far as | C．Just as | D．Even if |
From his looks, we can decide that he’s come across problems.
| A．puzzling; troubled | B．puzzling; troubling | C．puzzled; troublesome | D．puzzled; troubled |