Mr. White in Los Angeles for years, but presently he has already adapted to living in Miami．
| A．lived | B．had lived | C．has lived | D．was living |
As its name indicates, the “American Host Family” program gets American families __________in foreign students' lives in America and offers homes for them.
| A．to involve | B．involving |
| C．involved | D．having involved |
A lot of tall buildings __________ in Shanghai in the past three years.
| A．have set up | B．have been set up |
| C．set up | D．were being set up |
John's success has nothing to do with good luck. It is his hard work __________ has made him what he is today.
| A．why | B．when |
| C．which | D．that |
I have a lot of books, half of __________ novels.
| A．which | B．that | C．whom | D．them |
—Jack hurt his leg yesterday.
—What ________ does it make? We can win the coming football match without him.
| A．contribution | B．promise |
| C．difference | D．refresh |