When I was at school, I _____ up very late, reading storybooks. 
#11804
A
used to stay
B
was used to stay
C
used to staying
D
is used to staying
推荐题目
There were three ____ eggs in the basket.
#14480
A
dozen
B
dozens
C
dozened of
D
dozens of
Please ______ the numbers and I’m sure they will ______ more than 1, 000.
#12466
A
add up; add to
B
add up; add up
C
add up; add up to
D
add to; add up
 You can hardly imagine the ______ they went ______. 
#12589
A
suffering; through
B
concern; through
C
recovery; over
D
worry; over