I ____ Mr. White at that time, otherwise I wouldn’t have asked you for some information about him. 
#101527
A
hadn’t known
B
don’t know
C
didn’t know
D
haven’t known
推荐题目
My brother wants to work in the factory which _________ now.
#101300
A
is building
B
has been built
C
is being built
D
is to be built
  ─Are you going to plant a great many trees in this area? ─Yes. The soil _________ away in this way.
#103061
A
doesn’t wash
B
won’t wash
C
isn’t washed
D
won’t be washed
 If we        earlier, we couldn’t be waiting here in a queue.
#99856
A
have started
B
started
C
start
D
had started
It is ten years since he _______ in this college.
#101795
A
works
B
worked
C
has worked
D
had worked