We want our children to know that hard work .
| A．comes off | B．gives off | C．pays off | D．sees off |
Lydia doesn’t feel like _____ abroad. Her parents are old.
| A．study | B．studying | C．studied | D．to study |
A new study indicates that basic steps taken by people daily can go a long way in ____ the greenhouse gas emission.
| A．cutting down | B．taking down |
| C．pulling down | D．breaking down |
—Did you call on any of your old friends when you returned to your hometown?
—_______ of them. They were all very busy.
| A．Nobody | B．None | C．Both | D．Neither |
It is reported that the government has ____ the outbreak of violence by sending a large group of soldiers to police the area.
| A．gone for | B．reacted to | C．appealed to | D．made for |
The hip-pop singer is always drawing attention to issues that are usually ignored. That’s ____ is so great about him.
| A．that | B．what | C．all | D．how |