This field of scientific research remains________.
| A．to be untouching | B．being touched |
| C．to be untouched | D．untouched |
He waited for __________ seemed like an hour before he finally got the ticket.
| A．what | B．which | C．that | D．it |
John speaks English ___________, if not better than, David.
| A．as well | B．as well as | C．so well | D．so well as |
------what do you think of the shirt I bought?
------It is not only good __________ but also reasonable in price.
| A．with quality | B．in quality | C．of a quality | D．in a quality. |
–It’s too late to go to the football match now; ______,it’s being to rain.
| A．however | B．besides | C．on the contrary | D．because |
Tom killed the cat. I’ll ask him why _______.
| A．he did that | B．did he do that | C．he does that | D．he had done so |