If penicillin had not been available, many people _____ from sickness or even small wounds.
| A．would die | B．would have died |
| C．will have died | D．might die |
_________ Mary likes chatting, she is careful about making friendswith strangers online.
| A．Even though | B．No matter |
| C．As long as | D．As a consequence |
_________ has been proved in study that seat belts save lives.
| A．Want | B．As |
| C．That | D．It |
The paint came off as a result of _________ to the rain. I must repaint the windows before they go rusty.
| A．contribution | B．discrimination |
| C．exposure | D．exhibition |
—My application for visa has _________.
— Congratulations. Let's get together before you leave.
| A．seen through | B．looked through |
| C．gone through | D．lived through |
Whoever wins gold medals for our nation should be rewarded _________ for their great contributions.
| A．in return | B．in addition |
| C．in vain | D．in case |