. ------Don’t put the waste on the ground.                ------Oh, I’m very sorry. I ____ the dustbin there. 
#103748
A
don’t see
B
isn’t seeing
C
didn’t see
D
haven’t seen
推荐题目
--- Have you moved into the new house?--- Not yet. The walls ______.
#102235
A
were painted
B
were being painted
C
are painted
D
are being painted
--- ______ Betty this morning? --- Not yet, but she is sure to be here before noon.
#104264
A
Have you seen
B
Will you see
C
Do you see
D
Did you see?
 I thought the teacher would say something about our exam result but he ________ it.
#99454
A
doesn't mention
B
hasn't mentioned
C
wouldn't mention
D
didn't mention