The boys           when the teacher came in. So she was very angry.
#36667
A
were doing homework
B
were cleaning the classroom
C
were fighting
D
were learning English
推荐题目
-- So far, how long _______ you __________ China?     -- For one year.
#40603
A
have, come to
B
have, been to
C
have, been in
D
have, gone to
We’ll go to the farm and help the farmers with the apple-picking if it ________ tomorrow.
#37256
A
won’t rain
B
doesn’t rain
C
isn’t raining
D
won’t be raining