Not only ________learn a foreign language, but also ______ master it well.
| A．must we ; we must | B．must we ; must we |
| C．we must ;’ we must | D．we must ; must we |
They stood on the top of the high building, ________ they could see the whole city.
| A． in that | B．in which | C．form it | D．from where |
The best job is __________ that uses your skill in doing something together with your interest in the subject.
| A．it | B．the one | C．that | D．one |
After that earthquake last year, we had to start ______ scratch rebuilding our houses.
| A．of | B．from | C．in | D．up |
__________ is responsible for the Chenzhou train collision will be punished.
| A．Whatever | B．No matter what | C． Whoever | D．No matter who |
When report came into London Zoo ______ a wild lion had been spotted forty-five miles south of London, they did not take it seriously. 
A. which B. where C. that D and