. ------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
--Can I give you a call on Sunday?-- Sure, but I _______ to the mountains, so call me on my cell phone.
#103558
A
is driving
B
drove
C
have been driving drove
D
will be driving
I felt very tired when I got home, and I ______ straight to bed.
#100582
A
go
B
went
C
had gone
D
have gone
He said that his bike _____ stolen and he ____ telephone the police.
#101116
A
is; would have to
B
has; will have to
C
has been; will have got to
D
had been; would have to
-The window is dirty. -I know. It ___________ for weeks.
#99391
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
Scientists also have no idea how long it will be before all wild animals in the cages _____.
#99827
A
should be set free
B
will be set free
C
are set free
D
would be set free