27. This instant dictionary(快译通) is too _____. He can’t afford it, to say nothing of a portable computer (手提电脑).
| A．dearly | B．expensive | C．costly | D．High |
The Great Wall is ________ place that millions of people pay a visit there every year.
| A．so a well-known | B．a so well-known |
| C．such well-known a | D．such a well-known |
This is a very special flower and it can ________ a strong sweet perfume(香味) at night.
| A．give in | B．give up | C．give out | D．give away |
______ we know, the air quality in the city has improved over the past two years.
| A．That | B．As | C．What | D．It |
We sometimes have to meet some difficulties, but we should develop a good attitude _______ life.
| A．in | B．on | C．at | D．to |
_______ never to come back, the boy left his home angrily.
| A．Determined | B．Determining | C．Being determined | D．Determine |