The old man often looked back on the past days ________ he worked hard to make a living.
| A．which | B．when |
| C．where | D．that |
I regret _____ you that we are unable to offer you a job.
| A．informing | B．having informed | C．to inform | D．to informing |
Do you consider it any good _____ again?
| A．to try | B．try | C．trying | D．for you to try |
He was made _____ working because of his poor health.
| A．stopping | B．to stop | C．stopped | D．stop |
_____ the teacher, and he will tell you the answer.
| A．Asking | B．Ask | C．If ask | D．If you ask |
He advised _____ a meeting _____ the problem.
| A．holding；to discuss | B．holding；for discussing |
| C．to hold；to discuss | D．hold；discussing |