Young as he is, David has gained ___________ rich experience in ___________ society.
| A．the; the | B．a; 不填 |
| C．不填; 不填 | D．不填; the |
The little boy was found__________in his room the next day.
| A．dead | B．die | C．death | D．died |
Your brothe__________be hungry now.-----he had lunch only two hours ago!
| A．wouldn’t | B．can’t | C．mustn’t | D．needn’t |
AIDS is said__________the biggest health to people in that area over the past few years.
| A．that is | B．to be | C．that it has been | D．to have been |
With a lot of problems ________, the newly – elected headmaster is having a hard time.
| A．settled | B．settling | C．to settle | D．being settled |
Soon after getting off his horse, the man appeared at the second storey windows, ___________he could see nothing but trees.
| A．from which | B．from where | C．in where | D．which |