——Why is the classroom so dirty?——Sorry, Sir. It _____ yesterday. We forgot to do it.
#41937
A
doesn’t clean
B
didn’t clean
C
isn’t cleaned
D
wasn’t cleaned
推荐题目
This morning, when I walked by, I saw many children ____ in the park.
#42558
A
played
B
play
C
playing
D
to play
I didn’t know when he _____ back. He said he would call me when he _____ home.
#36815
A
would come, got
B
came, got
C
will come, gets
D
came, would get
—Excuse me, Mum. When can we have dinner? —Not until it in half an hour.
#36824
A
is prepared
B
has been prepared
C
will be prepared
D
was prepared
— you see the film Journey to the West yesterday?—Yes. But the film for 5 minutes by the time I got there.
#37292
A
Do; had begun
B
Do; had been on
C
Did; had begun
D
Did; had been on