_______ you don’t have much experience in this field, why don’t you ask Professor
Wang for advice?
| A．Unless | B．In case |
| C．As long as | D．Now that |
The police came running and the crowd.
| A．broke off | B．break into |
| C．broke up | D．break down |
—My wife tries her best to do everything for our children.
—That's exactly I disagree.
| A．what | B．how | C．when | D．where |
----We’d like a double room, please.
----I’m sorry, but all but two single rooms with sea view .
| A．is reserved | B．have been reserved |
| C．has reserved | D．had reserved |
Once air pollution in most cities, it is hard .
| A．rises; dealing with | B．arouses; to be dealt with |
| C．raises; dealt with | D．arises; to deal with |
Only when possible to settle the problem.
| A．our teacher comes will it be |
| B．does our teacher comes will it be |
| C．our teacher comes it will be |
| D．has our teacher come will it be |