---Don’t put the waste on the ground.                ---Oh, I’m very sorry. I ________ the dustbin there. 
#102280
A
don’t see
B
isn’t seeing
C
didn’t see
D
haven’t seen
推荐题目
You’ve failed to do what you ___________ to and I’m afraid the teacher will blame you.
#100094
A
will expect
B
will be expected
C
expected
D
were expected
Her sister left home in1998, and       since.
#101660
A
had not been heard of
B
has not been heard of
C
had not heard of
D
has been heard of