______ which school was suitable for their son, the parents visited lots of different primary schools in the city.
| A．To find | B．Being found | C．Found | D．Finding |
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 |
Mr. Zhang once taught in a remote village in Anhui province as a volunteer, which was ______ only on foot.
| A．acceptable | B．accessible | C．available | D．appropriate |
Wherever he is, he makes ______ a rule to give his mother a call every day.
| A．him | B．this | C．that | D．It |