The man we followed suddenly stopped and looked as if ________ whether he was going in the right direction.
#89139
A
seeing
B
having seen
C
to see
D
to have seen
推荐题目
I found him _________ in an armchair, ___________.
#97657
A
sit…and read
B
seated…reading
C
sitting…and read
D
seating…reading
He did nothing but ________walk in the street. 
#95370
A
taking    
B
take    
C
to take    
D
took
____ to reach the headmaster on the phone, the student sent an email instead.
#96434
A
being failed
B
Having failed
C
Failed
D
To fail