——Why is the classroom so dirty?——Sorry, Sir. It _____ yesterday. We forgot to do it.
#41875
A
doesn't clean
B
didn't clean
C
isn't cleaned
D
wasn't cleaned
推荐题目
— What are the kids doing?— They ______ flowers in the garden.
#42051
A
water
B
watered
C
have watered
D
are watering
I ____you yesterday afternoon ,but you ____at home .
#37858
A
call ,aren’t
B
am calling ,aren’t
C
called , weren’t
D
calls, weren’t
---How dangerous! --- Yes. I think the policeman should stop the children soccer in the street.
#41635
A
play
B
playing
C
to play
D
plays
------We all went to the cinema except you last night. Why didn’t you go?------Because I ________ it twice.
#37812
A
have watched
B
had watched
C
would watch
D
was watching