Although Beijing didn’t establish its first Antarctic research base until 1985, Chinese efforts _________ its influence across the continent are now outpacing other nation’s plans.
| A．expanding | B．to be expanded |
| C．expanded | D．to expand |
— My money for this month has _____. What shall I do?
— I wonder how you ____ your money in two weeks!
| A．run out; ran out | B．run out of; ran out of |
| C．run out; ran out of | D．run out of, ran out |
I would appreciate it _______ you call back this afternoon for the appointment.
| A．until | B．if | C．when | D．that |
. This tower _______ back to 1860s and it is still in good condition.
| A．is dating | B．dated | C．was dated | D．dates |
You can see the stars on a clear night, but in the daytime they are __________.
| A．unbelievable | B．invisible | C．inaccessible | D．unavailable |
Finding her car stolen, __________.
| A．a policeman was asked to help | B．the area was searched thoroughly |
| C．it was looked for everywhere | D．she hurried to a policeman for help |