—Why is the classroom so dirty?—Sorry，sir. It yesterday, We forgot to do it.
#39874
A
doesn’t clean
B
didn’t clean
C
isn’t cleaned
D
wasn’t cleaned
推荐题目
— Look! The light is still on in our teacher’s office.— Probably she ______ her work yet.
#39942
A
doesn’t finish
B
didn’t finish
C
hasn’t finished
D
won’t finish
-- Have you ever been to Shanghai, Mary? -- Yes. I _______ there for three clays with my parents last month.
#42741
A
have gone
B
have been
C
went
D
was
Do you think _________________an English film tomorrow night？
#42562
A
is there
B
there is going to have
C
there is going to be
D
will there be
I _________ my mum cook dinner in the kitchen when the telephone ______.
#37803
A
helped; was ringring
B
helped; rang
C
was helping; rang
D
was helping; was ringing
－When should I hand in my paper? －It after class.
#39356
A
must be handed in
B
is handed in
C
was handed in
D
will hand in