单项选择（每题1分）
—Listen！It is raining.
—Oh， really！ I______ it at all.
| A．didn’t realize | B．don’t realize |
| C．haven’t realized | D．hadn’t realized |
Gun control is a subject __________ Americans have argued for a long time.
| A．of which | B．with which |
| C．into which | D．about which |
-Mum, I have been admitted into Hong Kong University. -Well done! __________.
| A．Take it easy | B．I'm not sure |
| C．I'm so proud of you | D．Wish you luck |
Mark Twain's vivid and often amusing descriptions quickly established the __________ he still enjoys today as one of America's greatest writers.
| A．character | B．fortune |
| C．reputation | D．invention |
An increase in the price of drugs has __________ the rising cost of medical care.
| A．resulted from | B．brought up. |
| C．burst into | D．contributed to |
We __________ the old scientist __________ his contribution ________ the country.
| A．admire; for; to | B．admire; at; to |
| C．respect; on; for | D．respect; on; at |