---Excuse me, could you tell me _______?
---Sorry, sir. I wasn’t there at that time.
| A．how did the accident happen | B．how the accident happened |
| C．how does the accident happen | D．how the accident happens |
_____Daming’s help , they solved the problems successfully .
A.As for B.Thanks for C.Thanks to
The driver saw an old man _______ on the side of the road .
A.lie B.lay C.lying
Bob used to __in the countryside . But now he is used to ____in the big city .
A.live ; live
B.live; living
C. living ; living
Bill ___money after three months
A.run out B. ran out of C.ran out
A: My mother is ill.
B:____________________
A.OK.
B. Too bad.
C. I’m sorry to hear that