| A．couldn't see | B．shouldn't have seen |
| C．mustn't have seen | D．can't have seen |
____ is known, John studies in ____ is considered the best school in the city.
| A．Which; which | B．What; what | C．It; which | D．As; what |
We must apply what we have learned to our daily work because in no case _______ from practice.
| A．should theory separate | B．should theory be separated |
C．theory should separate | D．theory should be separated |
— My father is away _____ Beijing again. 
— Really? Is he there on business or on holiday？
| A．above | B．from | C．in | D．through |
He now lives away from his parents and misses them _____ enjoy his exciting life at the university.
| A．too much to | B．enough to | C．very much to | D．much so as to |
It is not J. K. Rowling but her works that _____ us excited.
| A．makes | B．is made | C．make | D．are made |