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
Our life _________ greatly in the last ten years.
#39738
A
changed
B
has changed
C
have changed
D
is changed
---Is that Bruce speaking?---Sorry, he is out. He _______abroad on business.
#41664
A
has gone
B
has been
C
went
D
goes
—____ your sister know Lucy?—No, she ____.
#37709
A
Do; don’t
B
Does; doesn’t
C
Does; don’t
D
Do; doesn’t
Tom realized that he ________ his physics book at home when he reached school．
#41955
A
left
B
had left
C
was leaving
D
leaves
The thief the purse and .
#39547
A
drops, run after
B
droped, ran away
C
dropped, run away
D
dropped, ran away