It was not until 1978_____ set free from the prison.
| A．that the old professor was | B．did the old professor |
| C．was the old professor | D．that was the old professor |
The factory was built in a secret place, around _____ were high mountains.
| A．where | B．it | C．that | D．Which |
The teachers were discussing the research project that they would like to see _____ in the coming holiday.
| A．complete | B．completes | C．completing | D．to complete |
--- It’s the office! So you ______ know smoking is not allowed here.
--- Oh, sorry.
| A．must | B．will | C．may | D．Need |
On the day I was to take the driving test, so ______ was I that I could not understand what I was
| A．nervous | B．anxious | C．upset | D．Shy |
The house rent is expensive. I’ve got about half the space I had at home but I’m paying _____ here.
| A．as much three times | B．three times as much |
| C．much as three times | D．twice times much |