_______ a post office, I stopped _______ some stamps. 
#97445
A
Passed, buying
B
Passing, to buy 
C
Having passed, buy
D
Pass, to buy
推荐题目
The music, ____________ pleasant, was soon well received when it was taken to the stage.
#89568
A
sounded
B
being sounded
C
sounding
D
having sounded
Mr. White was seen ______ the Palace Museum.
#97509
A
enter
B
to enter
C
entered
D
to entering
I got to the office earlier that day, _______ the 7:30 train from Paddington.
#90861
A
caught
B
to have caught
C
to catch
D
having caught