It's high time we __________ effective __________ to improve your working conditions.
| A．take; means | B．made; measures |
| C．took; measures | D．do; actions |
The health official said ______ 12 suspected cases of influenza A (H1N1) were tested negative and ______, so far, this city has reported no case of the virus.
| A．what; that | B．that; what | C．不填; that | D．that; 不填 |
—Hi, Johnson, any idea where Susan is?
—It’s class time, so she ______ in the classroom now.
| A．can be | B．must have been | C．might have been | D．should be |
We firmly believe that war never settles anything. It only _____ violence.
| A．runs into | B．comes from | C．results in | D．begins with |
___ the high price, demand for these cars is very high.
| A．Because of | B．In spite of | C．In case of | D．due to |
Did Linda see the traffic accident?
―No, no sooner _____ than it happened.
| A．had she gone | B．she had gone | C．has she gone | D．she has gone |