The author of the report is well _____ with the problems in the hospital because he has been working there for many years.
| A．acquainted | B．informed | C．enlightened | D．advised |
We had an anxious couple of weeks, _______ for the results of the experiment.
| A．wait | B．to be waiting | C．waited | D．waiting |
The most interesting thing to the small boy was _______ he got close to the door, it would open of itself.
| A．that as | B．that that | C．what that | D．what when |
But for the fact that China ____ also affected by the global economic crisis, we ____ fewer unemployed workers now.
| A．is; would have | B．were; would have |
| C．was; would have had | D．is; would have had |
It suddenly occurred to Anne that money couldn’t ____ all that Bob had suffered in the past five years.
| A．make up for | B．look up to |
| C．put up with | D．fit in with |
Wind power is an ancient source of energy ____we may return in the near future.
| A．on which | B．by which |
| C．to which | D．from which |