The fact has worried many doctors more and more people died of cancer these years.
| A．what |
| B．which |
| C．that |
| D．though |
At last the boss_____to the workers' demand and offered better pay and working conditions.
| A．gave away | B．gave in |
| C．gave up | D．gave off |
--I’m taking my driving test tomorrow.
--________________.
| A．Cheers | B．Good luck |
| C．Come on | D．Congratulations |
Harry Potter, for _____ life had once been very difficult, achieved great success and finally beat Voldemort.
| A．whose | B．whom |
| C．that | D．him |
It is the third time that he ______ the first prize in the competition.
| A．wins | B．won |
| C．has won | D．to win |
The teacher called Tim’s mother ________ what he had done in the test.
| A．because of | B．because |
| C．since | D．as |