7. After 15 years in the USA, Jane finally decided to ______ American citizenship.
| A. concentrate on | B.apply for | C.1ook for | D. appeal to | 
—Will $200 ____? —I’m afraid not. We need at least 50 more dollars.
| A.count | B.satisfy | C.fit | D.do | 
. The husband gave his wife _____ every month in order to please her.
| A.half all his income | B.his half all income | 
| C.half his all income | D.all his half income | 
____, I have never seen anyone who’s as capable as John.
| A.As much as I have traveled | B.Now that I have traveled so much | 
| C.Much as I have traveled | D.As I have traveled so much | 
The waterfall can be seen _ __. Its sound may be heard __ two miles. It looks even more beautiful____.
| A.at a distance; in a distance of ; from a distance | 
| B.from a distance; in the distance of; at a distance | 
| C.in the distance; from a distance; at a distance | 
| D.in the distance; at a distance of; from a distance | 
. After the war, a new school building was put up __ bad once been a theatre.
| A.in which | B.where | C.where it | D.where there |