—Mike, you failed the exam?
—That's right. I didn't pass. ________， anyway?
| A．How is it | B．Of course |
| C．Don't mention it | D．What is it to you |
The computer system _______suddenly while he was searching for information on the Internet.
| A．broke out | B．broke up | C．broke in | D．broke down |
Whatfun it is to walk alone withfull moon hanging in the sky.
| A．/; a | B．a; / | C．the; / | D．a ;the |
I insisted __________ to see a doctor, but he insisted nothing __________ wrong with him.
| A．on him to go; should be | B．he went; be |
| C．he go; was | D．he should go; is |
He studied hard, __________ the exam.
| A．aim at | B．aiming at passing |
| C．aiming passing | D．aiming to passing |
What makes us worried is that the number of people ______to drug is ________.
| A．addicted ; increased | B．addicting; increased |
| C．addicted ; increasing | D．addicting; increasing |