问题描述：
is that a pencil
A.That is
B.Yes,that is
C.Yes.i'is
D.Yes.it is
What for？
A.That is
B.Yes,that is
C.Yes.i'is
D.Yes.it is
What for？
问题解答：
我来补答展开全文阅读
问题描述：
问题解答：
我来补答