—Where did you pick up the stamp?—It was at the post office ________ we worked in the summer vacation.
#67091
A
that
B
where
C
which
D
when
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_____, the car stopped all at once.
#68137
A
Seeing a boy lying on the ground
B
On seeing a boy sitting on the road
C
The driver saw a boy standing on the road
D
The minute the driver saw a boy seated on the road