AIDS is said ______the biggest health challenge to both men and women in that area over the past few years.
| A．that it is | B．to be | C．that it has been | D．to have been |
Never before, ___ in greater need of modern public transport than it is today.
| A．has this city been |
| B．this city has been |
| C．was this city |
| D．this city was |
Only in this way, __
| A．the computer can repair |
| B．does the computer repair |
| C．the computer does repair |
| D．is the computer repaired |
You will find his map of great ___ in helping you to get round London.
| A．useful |
| B．valuable |
| C．value |
| D．helpful |
—I’m afraid Mr Wood can’t see you until 4 o’clock.
—Oh, ___ I won’t wait.
| A．no doubt |
| B．after all |
| C．in that case |
| D．in this way |
Her mother doesn’t ___ her going to study in the United States alone.
| A．agree |
| B．admit |
| C．approve |
| D．approve of |