—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
---_____ did your uncle leave his hometown?---He ________ for nearly twenty years.
#41850
A
When; has left
B
When; has been away
C
How long; has left
D
How long; has been away
Mrs Zhang is all her time and energy being a mum right now.
#42608
A
devote; on
B
devoting; on
C
devote; to
D
devoting; to
-___ __ you ____ _ your drawing? -Not yet. It will be done in a few minutes.
#37655
A
Did, finish
B
Will, finish
C
Do, finish
D
Have, finished
—May I speak to John? ---Sorry, he Japan. But he in two days.
#41553
A
has been to; will come back
B
has gone to; will come back
C
has been in; would come back
D
has gone to; come back