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
As a good student, he’s seldom late for school in the morning, ___ he?
#65283
A
was
B
wasn’t
C
is
D
isn't
Yes.We have to say we are now facing unexpected difficulties ahead, but we finally believe nothing can stop us from serving the people heart and soul, _______?
#65404
A
can it
B
can’t it
C
can they
D
can’t they