The flu is believed by viruses that like to reproduce in the cells inside the human nose and throat.
| A．causing | B．being caused | C．to be caused | D．to have caused |
The camera is _______expensive________ I can't afford it.
| A．so, that | B．such, that | C．so, as to | D．enough, that |
_________ production up by 60 % , the company has had another excellent year.
| A．As | B．For | C．With | D．Through |
I would rather history than geography because I can learn a lot from many historical figures.
| A．study | B．studies | C．studied | D．had studied |
After reading the school report, Tom really felt .
| A．disappointed, disappointing | B．disappointing, disappointed |
| C．disappointing , disappointing | D．disappointed, disappointed |
The new teaching building is _______ the yellow one.
| A．as three times high as | B．three times the height of |
| C．three times high than | D．as three times the height of |