问题描述：
Chen Jie:where are you going? Robin:1( )the bookstore. Chen Jie:2( )to buy? Robin:I'm doing to buy some comic book. Chen jie:When are you doing? Robin:3( ).
问题解答：
我来补答展开全文阅读
问题描述：
Chen Jie:where are you going? Robin:1( )the bookstore. Chen Jie:2( )to buy? Robin:I'm doing to buy some comic book. Chen jie:When are you doing? Robin:3( ).
问题解答：
我来补答