问题描述：
This new book _____________20 articles ,_________five written by my sister.
A.contains ,includes B.includes,contains c.contains,including D.includes,contained
选什么,为什么?
A.contains ,includes B.includes,contains c.contains,including D.includes,contained
选什么,为什么?
问题解答：
我来补答展开全文阅读