With more and more farmers moving to cities, an inadequate labor force is ________ becoming a major factor affecting the country's grain output.
| A．automatically | B．occasionally |
| C．absolutely | D．gradually |
— 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 |
— The deadline is drawing, but I failed to challenge the task a third time.
— ______ my brother have a try?
| A．Will | B．May | C．Shall | D．Must |