________ was known to them that the boss had broken his promise ________ he would give them a rise.
| A．What; what | B．It; which |
| C．It; that | D．As; that |
More and more students are this modern type of instruction。
| A．resulting from | B．figuring out | C．benefiting from | D．bringing up |
--What is the cost of you shirts here, sir?
--It depends on which you want to buy, and the prices from 100 dollars to 500 dollars.
| A．increases | B．ranges | C．reaches | D．different |
--Why did he suffer failure again?
--It was his carelessness that it.
| A．managed | B．resulted from | C．benefited from | D．contributed to |
It’s not the whole nation rose up and drove the enemy out of their homeland.
| A．before long | B．long before | C．soon | D．a long time |
New light may be the cause of cancer by research that is now in progress．
| A．thrown | B．thrown off | C．thrown on | D．thrown by |