_______ the smoke come out of the building, my first thought was to call the fire department as soon as possible. 
#92680
A
Having seen
B
When seeing
C
When I saw
D
Seeing
推荐题目
You say he works hard,_______, and _________.
#93181
A
so he does; so you do
B
so he does; so do you
C
so does he; so do you
D
so does he; so you do
______ a pair of compasses, it is easy to describe a circle.
#93189
A
Having
B
To have had
C
If you have
D
If having
-What do you think of the book? -Oh, excellent. It is worth _____ second time.
#94953
A
to read a
B
to read the
C
reading a
D
being read the