和亿位相邻的两个数位是千万位和百万位．______．
和亿位相邻的两个数位是千万位和十亿位；
故答案为：错误
----What does Mrs Li teach?
----She is______ English teacher, and she teaches ______ English very well.
A．our , us
B．us, us
C．our, our
D．us, our
特种清洗还需要（）剂和（）剂。
