_____ underground for 2 years, David says the worst thing is not the danger but the darkness.
| A．Working | B．Having worked |
| C．To have worked | D．Worked |
Tsinghua University, ______ in 1911, is home to a great number of outstanding figures.
| A．found | B．founding | C．founded | D．to be founded |
—How was your recent trip to Jiuzhaigou?
—I’ve never had one before.
| A．a tired | B．a more tiring |
| C．a most tiring | D．the most tired |
No matter how much knowledge you have, if your subject is at all ______, be careful when discussing it during your speech, or you may well offend your audience.
| A．diverse | B．sensitive |
| C．abstract | D．original |
Los Angeles Times reported that researchers may have found a way to ______ human life by changing certain genes, so that humans might expect to live twice as long.
| A．extend | B．preserve |
| C．multiply | D．transform |
____ out how to put our furniture or we'll have to wait for another week to move in．
| A．Figuring | B．To figure |
| C．Figure | D．Figured |
____amazed me most was the young boy handling 8 pen with his feet
| A．That | B．What | C．As | D．Who |
________ around the Water Cube，we were then taken to see the Bird’s Nest．
| A．Having shown | B．To be shown |
| C．Having been shown | D．To show |
An investigation group ___________ five men and two women has been sent to the spot to look into the matter.
| A．consists of | B．is consisted of |
| C．consisting of | D．consisted of |
Sit down, Emma．You will only make yourself more tired,________on your feet．
| A．to keep | B．keeping |
| C．having kept | D．to have kept |
Nowadays people become more and more practical and buy only ____they need．
| A．where | B．which | C．when | D．what |
The school had promised to keep parents fully _____ about the conditions of their children at school．
| A．inform | B．informing |
| C．informed | D．being informed |
After losing the match for the third time, he became _________ to what others said about him.
| A．addicted | B．available | C．sensitive | D．delighted |
_________basic first-aid techniques will help you respond quickly to emergencies.
| A．Known | B．Having known | C．Knowing | D．Being known |
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