Pollution is a serious problem. Scientists have _______ some good ways to save it.
| A．come up with | B．come on | C．come out | D．come up |
My sister still wanted to go to school ____ she was ill.
| A．if | B．because | C．before | D．although |
In this country, ___________ children shouldn’t smoke.
A. five-years-old B. five-year-old C. five-year-olds
You’re not interested in this place. Why not ____________ other places?
A. consider visiting
B. consider to visit
C. considering visiting
My father would like to go_____________.
A. quiet somewhere
B. somewhere quiet
C. to somewhere quiet
The shy girl _________ work at home ____________ go to a party.
A. prefer; to
B. would rather; than
C. would rather; then