_________that river ________very clean?
#54641
A
Did ;use to
B
Did ;use to be
C
Does ;used to
D
Does ;use to be
推荐题目
The traffic in the city          be terrible, but the city has improved a lot.  I think you will         it soon. 
#58229
A
used to;use to
B
get used to;used to
C
. used to; get used to
D
get used to; use to
When do you ______ Beijing .  
#62397
A
leave for
B
ask for
C
look for
D
thank for
—What is your hobby?—I ________ collecting stamps, but now I love reading.
#58749
A
used enjoy
B
used to enjoy
C
use to enjoying
D
used to enjoying
You used to be a top student. You shouldn’t ___________.
#60672
A
worry about not getting a good job
B
worried about you’ll not get a good job
C
worry about not get a good job
D
worry about having a good job