The visiting professor gave us some advice, ____ of great help to our English learning.
| A．I think it is | B．I think which is | C．which I think is | D．which I think it is |
Not until he left his home ______ to know how important the family was for him.
| A．did he begin | B．had he begun | C．he began | D．he had begun |
Experts insist that packets of cigarettes come with a health warning ______ to them.
| A．be attached | B．attach | C．attached | D．attaching |
— Tom, could you give me a hand in the following exam?
— ______. Mom won’t allow me to do such crazy things.
| A．No problem | B．It's a pleasure | C．Forget it | D．My pleasure |
Never before______ such a wonderful park, ______ I'd like to pay a visit again.
| A．had I seen; where | B．have I seen; which | C．have I seen; where | D．had I seen; which |
The manager asked me to______ the report, because he didn't want to speak for a long time at the meeting.
| A．cut out | B．cut away | C．cut off | D．cut down |