题目内容：

1;I don't know when ( )[leave] for shanghai.2:改为间接引语：Maria asked Tom "Do you
1;I don't know when ( )[leave] for shanghai.2:改为间接引语：Maria asked Tom "Do you want a banana?"

优质解答

1;I don't know when ( to leave )[leave] for shanghai.
Maria asked Tom if he wanted a banana .

追问：

It makes my listening skills better(改为同义局)It( )my listening skills

追答：

It( improves )my listening skills