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 |
Once we discover a mistake, we should not ______ it but correct it immediately, to create better conditions for economic development.
| A．ignore | B．refuse | C．deny | D．miss |
If you take my ________, you'll make a lot of money in the trade.
| A．command | B．principle | C．attitude | D．tip |
“XiJinping's report,” a smile on his face, he continued, “_____ to several hot topics, discusses how to increase peasants' income.”
| A．referring | B．refers | C．having referred | D．referred |
In ________ old society many young women died by so strange and cruel ________ custom.
| A．不填；a | B．不填；the | C．the；a | D．an；a |
The number of people ________ this happens is not very large.
| A．with whom | B．to which | C．to whom | D．on which |