The man we followed suddenly stopped and looked as if _____ whether he was going the the right direction.
#88582
A
seeing
B
having seen
C
to have seen
D
to see
推荐题目
This is the best way ______ I have thought of ______ the problem.
#94238
A
that; solving
B
in which; solving
C
which; to solve
D
/; to solve
You are silly not       your door.
#92231
A
to lock
B
to have locked
C
locking
D
having locked
The foreign guests ,____ by some artists , came out of the hall .
#93570
A
following
B
to follow
C
followed
D
to be followed