问题描述：
宾语从句练习题1个
Peter knew____________________.
A.wheter he has finished reading the book.
B.why the boy had wo many questions
C.there were 12 months in a year
D.when they will leave for Paris
分析详细原因
Peter knew____________________.
A.wheter he has finished reading the book.
B.why the boy had wo many questions
C.there were 12 months in a year
D.when they will leave for Paris
分析详细原因
问题解答：
我来补答展开全文阅读