--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
-- 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
The well was found __________ when we got there.
A. digging B. to be dug C. to dig D. being dug
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 group’s research has done much to our knowledge of the HIV virus．
A．advance B．pull C．rush D．adopt
______ right in the center of the city, the park attracts a lot of tourists.
A. Seating B. Laid C. Situated D. Stood
