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 |
He forbids his children ____________ sweets because they do harm to their teeth.
| A．eating | B．not eating | C．to eat | D．not to eat |
What all these groups have in common is that they ask to be treated __________ respect and equality, ________ race, religion or sex.
| A．as; as to | B．in; in spite of | C．to; because of | D．with; regardless of |
Was it in the reading-room __ you were reading a magazine ___ Kate met you?
| A．where, that | B．that, who | C．that, where | D．which, that |
I'd appreciateif you would turn the radio down．
| A．that | B．it | C．this | D．you |
There were no tickets __________ for Friday’s performance.
| A．useful | B．available | C．helpful | D．reasonable |