— Why do you do volunteer work in the North—West?
— I_____ to improve the lives of the children there through my efforts.
| A．was trying | B．have tried |
| C．am trying | D．tried |
Melissa, __________ the alarm clock for 6 o’clock, or you will oversleep and be late for the train.
| A．setting | B．sets | C．set | D．to set |
As is shown in the movie, under no circumstances __________ faith and confidence.
| A．you should lose | B．shouldn’t you have |
| C．should you lose | D．you shouldn’t lose |
She thinks the naughty students have escaped being punished by their teacher, __________?
| A．does she | B．doesn’t she | C．have they | D．haven’t they |
With a lot of work __________, our manager couldn’t spare time for a holiday.
| A．remained to be done | B．remaining to be done |
| C．remained being done | D．remaining to do |
--Why will you hang that photograph on the wall?
--__________ visitors of the memorial days of the Long March, Sir.
| A．Reminding | B．To remind | C．Reminded | D．Reminds |