__________ the crisis of economy getting more and more serious, the government is searching for ways to improve people’s life.
| A．As | B．For | C．With | D．On |
Everything depends on ___ we have enough time.
| A．if | B．when | C．whether | D．that |
He is a foreigner, ___ I knew from his accent.
| A．which | B．as | C．that | D．A and B |
Betty always tells lies，___ her parents find strange.
| A．that | B．/ | C．which | D．as |
____ we know now, oceans cover more than 70 percent of the earth.
| A．That | B．Which | C．As | D．What |
We must teach her a good lesson ___ she likes it or not.
| A．whether | B．if | C．that | D．which |