I always regret not harder when I was young .
| A．studying | B．having studied | C．to study | D．to have studied |
It shocked us all that little boy hadn’t been separated from that patient, he would have been infected with H1N1.
| A．if that | B．that if | C．if | D．that |
--- Where did you meet him for the first time?
--- Maybe it is in the museum we listened to the lecture we got to know each other.
| A．that; that | B．where; that | C．which; that | D．that; which |
I’d like to his reputation with other business people in the community, and then make a decision about whether or not to cooperate with him.
| A．take into account | B．account for |
| C．make up for | D．submit to |
--- What do you think of your winning the game?
--- On the one hand, I am proud of it; but on the other hand, I feel I it better.
| A．could do | B．would do | C．could have done | D．must have done |
--- Can I use the telephone on the table, sir?
--- Under no circumstances the telephone in the office for personal affairs.
| A．anyone is allowed to use | B．anyone is allowed using |
| C．is anyone allowed to use | D．is no one allowed using |