For Shanghai, the Expo presents an opportunity for the city to make a global impact, _______ the way the Beijing Olympics put the capital in the spotlight in 2008 .

A. be similar with?? ????????????? ??? B．similar with? ????????????? ???? C． be similar to??? ????????????? ?? D.? similar to

______ right in the center of the city, the park attracts a lot of tourists.

A. Seating????? B. Laid???? C. Situated???? D. Stood

The group’s research has done much to?????? our knowledge of the HIV virus．

A．advance ????????????? B．pull????????????? C．rush????????????? D．adopt

Tom, ________________ you from taking a hand in that affair, you ______________ in prison.

A. if I didn’t stop; would have stayed

B. had I stopped; would be staying

C. shouldn’t I have stopped; would stay

D. if I hadn’t stopped; would have stayed

The well was found __________ when we got there.

A. digging??? B. to be dug??????? C. to dig????????? ????????????? D. being dug

-- I am going to Sidney for further studies next month.

-- That's fantastic. Can you keep emailing me ______ you are there?

A. though??????? ????????????? B. because???? ????????????? C. until?????????? ????????????? D. while

--Were you in time for the meeting?

-- If I _________earlier, I would have .

A. was told?????? B. had been told?????? C. were to be told???? D. should be told

It is so nice to hear from her. __________, we last met more than thirty years ago.

A. What’s more??? B. That is to say?? C. In other words? D. Believe it or not

A fire broke out in the building at about 7 on Tuesday morning, _____ in the death of a young girl.

A. having resulted? B. resulted? ????????????? ??? C. being resulted????????????? D. resulting

Many of them turned a deaf ear to his advice ______ they knew it to be valuable.

A. as if ???? ????????????? B. now that????? ????????????? C. even if ???????? ? D. so that