He was about to tell me the secret ________ someone patted him on the shoulder.
| A．as | B．until |
| C．while | D．when |
_______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 |