It is ___ the customers’ needs that has made chain stores so popular in big cities in China.
| A．meeting | B．met | C．to have met | D．being met |
This lecture is by no means the most boring. I’ve attended_____.
| A．better | B．worse | C．the best | D．the worst |
The mother felt herself____ cold and her hands trembled as she read the letter from the battlefield.
| A．grow | B．grew | C．grown | D．to grow |
There has been ____rising demand for grain as ____industrial material in spite of the nation’s good harvests.
| A．/;an | B．a;an | C．the;an | D．a;/ |
He wondered if he could slip out of the lecture hall without anyone______.
| A．noticing | B．noticed | C．to notice | D．being noticed |
We cannot figure out ____quite a number of insects, birds, and animals are dying out.
| A．that | B．as | C．why | D．when |