_____ is known to all is that effective measures should be taken to deal with the problem of the over-exploiting of our resources.
| A．What | B．It | C．As | D．Which |
This shop will be closed for repairs __________ further notice.
| A．with | B．until |
| C．for | D．at |
-How long do you think it will be __________ the Two Sessions （两会）in Beijing come to an end?
-Don't you know they were over on March，17th ？
| A．before | B．since |
| C．until | D．after |
Few people paid full attention to their health conditions __________ they were seriously ill.
| A．when | B．if | C．until | D．after |
The Chinese agricultural tax wasn't completely abolished __________2006，which reduced the farmers' burden greatly.
| A．until | B．before |
| C．since | D．after |
He complained __________ me __________ the food I had prepared.
| A．to; with | B．with; for |
| C．to; about | D．with; about |