China always plays ___ active part in fighting against ___natural disasters.
A. /; the B. an; the
C. an;/ D /; /
--How often do you eat out?
--___, but usually once a week.
| A．I have no idea | B．It depends |
| C．As usual | D．Generally speaking |
The old man went into the room, ___ by his wife.
| A．support | B．supported |
| C．supporting | D．being supported |
The new teacher made a good ___ on the students by her rich knowledge and humorous talk.
| A．feeling | B．effect |
| C．impression | D．sense |
I’m pleased to see the problem ___ so quickly.
| A．settled | B．having been settled |
| C．be settled | D．settle |
There will be a war if the peace talks between the two countries ___.
| A．break away | B．break down |
| C．break into | D．break out |