The discovery of these tombs is ______ for scholars' studying Chinese history.
| A．of very important |
| B．great significant |
| C．of great significance |
| D．greatly importance |
Teenage students who are ________computer games usually would not focus on studies .
| A．anxious about | B．addicted to | C．particular about | D．bored with |
______ the illness pneumonia, Jackson couldn’t go on teaching.
| A．As a result | B．As the result |
| C．As result of | D．As a result of |
We first met on a train in 2000. We both felt immediately that we___each other for years.
| A．knew | B．have known | C．had known | D．hope |
It was not until midnight____ they reached the camp site.
| A．that | B．when | C．while | D．as |
-----Are you pleased with the play?
------Not at all. It couldn’t have been___.
| A．worse | B．so better | C．better | D．the worse |