The coal miners ______ in the coal mine for 10 hours before we came to their rescue.
| A．had trapped | B．had been trapping |
| C．had been trapped | D．would have been trapped |
_______me, he walked up to me, smiling.
| A．To , see |
| B．For seeing |
| C．On seeing |
| D．Because seeing |
--- I regret_______ you John has been fired.
--- I can hardly believe my ears. He is such a fine worker.
| A．telling |
| B．having told |
| C．to tell |
| D．to have told |
The message is very important, so it is supposed _______ as soon as possible.
| A．to be sent |
| B．to send |
| C．being sent |
| D．sending |
It is strongly suggested that measures _______ students to cheat in exams.
| A．be taken to prevent |
| B．be taken to forbid |
| C．are taken to prevent |
| D．are taken to forbid |
With a lot of difficult problems _______ , the newly-elected president is having a hard time.
| A．settled |
| B．settling |
| C．to settle |
| D．being settled |