_______ many times , he still couldn’t understand it．
| A．Told | B．Having been told |
| C．He was told | D．Though he had been told |
It is reported that the scientists in our county are______all possible ways to control H1N1 flu.
| A．operating | B．designing | C．replacing | D．exploring |
— How about ______ Christmas evening party?
— I should say it was ______ success.
| A．a; a | B．the; a | C．a;不填 | D．the; 不填 |
— Here is some good news for you. You’ve won a holiday to the USA.
—______ That’s great!
A. Have I? B. Pardon? C. Congratulations! D. Good idea!
.Since I came here two years ago, great changes __________ in the factory and many people want to come here to pay a visit.
A have been taken place B. had been taken place C. have taken placeD. are taking place
----Guess what ! I came across a friend at the party last night.
---- ________. I am sure you had a wonderful time.
| A．Sounds good! | B．Very well. | C．How nice ! | D．All right. |