People in China used to keep records by putting a number of stones together, ___?
#65325
A
usedn’t they to
B
did they
C
used to they
D
didn’t they
推荐题目
－_______ do you practice dancing every day?－For two hours.
#60080
A
How long
B
How often
C
How much
D
How many
I don’t think you have made great mistakes, _______?
#64903
A
do you
B
don’t you
C
have you
D
haven’t you
--- do you watch the English show on TV?---I watch it every day to improve my spoken English．
#59931
A
How often
B
How long
C
How soon
D
How far
--- ________ do you stay at home at weekends?--- Ten hours.
#60115
A
How often
B
What time
C
How long
D
When