She reached the top of the hill and stopped ________ on a big rock by the side of the path.
| A．to have rested | B．resting |
| C．to rest | D．rest |
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 |
—He must be busy doing his homework right now.
—I imagine____.
| A．that | B．to | C．so | D．it |