— Don’t put the waste on the ground, young man. — Oh, I’m sorry. I ______ the dustbin there.
#102678
A
hadn’t seen
B
haven’t seen 
C
didn’t see
D
wasn’t seeing
推荐题目
—What’s that unpleasant noise?—Oh, the road before the main gate          .
#102240
A
is repairing
B
is being repaired
C
is repaired
D
has been repaired
They are good friends and they  many happiness and sorrows together.
#103949
A
had lived through
B
live through
C
lived through
D
have lived through