My brother has been painting the new house all day and I don’t know when he can finish the work.
问题描述：
My brother has been painting the new house all day and I don’t know when he can finish the work.
My brother has been painting the new house all day and I 三个空 when he can finish the work.改为同义句
答
My brother has been painting the new house all day and I don’t know when he can finish the work.改为同义句 My brother has been painting the new house all day and I (have no idea) when he can finish t...