——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
I ____my CD here and there, but I still can’t find it.
#42598
A
have looked for
B
look for
C
will look for
D
was looking for
This morning, when I walked by, I saw many children ____ in the park.
#42558
A
played
B
play
C
playing
D
to play
Her father often _______ to work on foot. But yesterday he ________ a bike.
#42837
A
goes, rides
B
goes, rode
C
went, rides
D
went, rode
His mother, with his aunt ____ now.
#40696
A
are doing shopping
B
is doing shopping
C
do shopping
D
does shopping
—Tom wants to know if you ___ a picnic next Sunday.—Yes. But if it ___， we'll visit the museum instead.
#39864
A
will have; will rain
B
have; rains
C
have; will rain
D
will have; rains