I felt it a great honour ______ to speak to you.
| A．to ask | B．asking |
| C．to be asked | D．having asked |
This problem may lead to more serious ones if ____ unsolved.
reasonable, the proposal heattracted much attention．
| A．Sounding; put up | B．Sounded; put through |
| C．Sounding; put forward | D．Sounded; put on |
—I saw your uncle take a taxi to the airport．Why didn’t you drive him there?
—I,but my car．
| A．would; was fixed | B．would have; was fixed |
| C．would have; was being fixed | D．did; was being fixed |
The door．Something has gone wrong with it．
| A．won’t lock | B．won’t be locked |
| C．can’t lock | D．isn’t locked |
The difference in achievement between the pupils are partly ________by their differences in age.
| A．accounted for | B．put forward |
| C．cut down | D．sorted out |