China has promised to revise its existing regulations and __________ new policies according to WTO requirements.
| A．forming | B．to form |
| C．to be forming | D．have formed |
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 |
With the word "PM2.5"______ heard and seen in our life, people become more and more concerned about air pollution.
| A．constantly | B．occasionally | C．consequently | D．contemporarily |