.I _______ him to stop smoking, but failed.
| A．persuaded | B．tried to persuade |
| C．try persuading | D．tried persuading |
The discovery of new evidence led to__________
| A．the thief having caught | B．catch the thief |
| C．the thief being caught | D．the thief to be caught |
—How much farther shall we have to go?
—Another five miles until we reach the mountain_________.
.
| A．at a distance | B．in a distance | C．at distance | D．in the distance |
On yesterday interview, he didn’t make a(n)________
at all; what’s the matter with him?
| A．apology | B．appearance | C．difference | D．change |
I think I was at school, ____I was staying with a friend during the vacation when I heard the news.
| A．even so | B．and then | C．so that | D．or else |
There were two boys in the lab,_____did the experiment successfully.
| A．the clever of whom | B．the cleverer or whom |
| C．the clever of them | D．the more clever of them |