_______ 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
With several students         , Mr. Smith came into the lab. 
#96059
A
follow
B
followed
C
following
D
to follow
____ in the iron cage of the zoo, the tiger got quite angry.
#97226
A
To trap
B
Trapping
C
To be trapped
D
Trapped
He apologized for ______ to inform me of the change in the plan.
#97013
A
his being not able
B
him not to be able
C
his not being able
D
him to be not able
That gas pipeline project, _____in July 2002 and__________in 2005, will be China’s longest gas pipeline in history.
#98214
A
starting; completing
B
started; to be completed
C
to start; completed
D
starting; completed