The computer centre, _______ last year, is very popular among the students in this school.
| A．open | B．opening | C．having opened | D．opened |
We have moved into a four-room flat so far. Our room is between _____.
| A．Mary’s and Helen’s | B．Mary and Helen’s |
| C．Mary and Helen | D．Mary’s and Helen |
---I wonder why Mr Green hasn’t showed up at the meeting yet.
---I’m not sure, but he _______ in a traffic jam driving here.
| A．could be stuck | B．might stuck |
| C．might have been stuck | D．must have stuck |
When I got to the cinema, the film _____ for five minutes.
| A．had begun | B．has been on |
| C．has begun | D．had been on |
Mary had promised to give me a ticket for tomorrow. She failed, ____.
| A．either | B．though | C．but | D．too |
_______ different life today is ________ what it was 30 years ago.
| A．How; from | B．What a; from |
| C．What; from | D．How; with |