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
My school life ___________in the past few years.
#42001
A
changed
B
has changed
C
have been changed
D
is changing
There_________ a new film this afternoon.
#41930
A
is going to have
B
is going to be
C
will have
D
has
It is said that the meeting _______ for a week.
#41750
A
has been ended
B
has lasted
C
has began
D
has been held