While Jim ______the floor, someone ______at the door.
#40407
A
was sweeping, was knocking
B
was sweeping, knocked
C
swept ,was knocking
D
swept, knocked
推荐题目
What_____ you _____at eight yesterday evening?
#39816
A
have, done
B
did, do
C
were , doing
D
are, doing
I asked the teacher if there        an English test the next day.
#40353
A
would be
B
will be
C
will have
D
would have
Great changes ________ in China since the People’s Republic of China _________ in 1949.
#36363
A
have taken place; was founded
B
has taken place; was founded
C
have been taken place; founded
D
took place; founded
The movie _____ when I _______ to the cinema.
#38237
A
began; got
B
had begun; had got
C
began; had got
D
had begun; got