_____ in thought, he almost ran into the car in front of him.
A. Lost
B. As he was lost
C. He lost
D. A and B
_______for the bus at the stop, he suddenly caught sight of a thief.
A. Waiting
B. When he was waiting
C. As he was waiting
D. all the above
The soldier fell asleep ________.
A. with the candle burning
B. burning the candle
C. when he was burning the candle
D. when burning the candle
________, the Tiananmen Square looks more beautiful.
A. Being on
B. When being on
C. With all the lights on
D. When it turns on all the lights