In some countries ,treatments for A (H1N1) flu were neither ____nor effective, and many patients died because of infection.
| A．critical | B．scientific | C．necessary | D．special |
相关试题
Daniel’s family their holiday in Huangshan this time next week.
| A．are enjoying | B．are to enjoy |
| C．will enjoy | D．will be enjoying |
-– I wonder how much you charge for your services.
--- The first two are free the third costs $30.
| A．while | B．until | C．when | D．before |
We can never expect bluer sky unless we create less polluted world.
| A．a; a | B．a; the |
C．the; a | D．the; the |
A good friend of mine from I was born showed up at my home right before I left for Beijing．
| A．how | B．whom | C．when | D．which |
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