— 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
Great changes _____ in China in the past 30 years and many Chinese are living a happy life today. 
#99354
A
took place
B
were taken place
C
have taken place
D
have been taken place
The cinema ______ ten years ago when we first moved to this town.
#99316
A
built
B
has built
C
was built
D
would be built
—Does John serve in the army?—No, but he________in the army for 8 years.
#102015
A
would serve
B
has served
C
is serving
D
served
George has arrived, but I did not know he ______ until yesterday.
#103817
A
comes
B
will come
C
is coming
D
was coming