怎么将下列的复合句改为简单句
问题描述：
怎么将下列的复合句改为简单句
We all agreed that we should leave at once.
改为We all agreed____________________
I saw he went into that house just now.
改为I saw________________________
I heard she was singing in English.
改为I heard______________________
You said so quickly that you weren't heard.
答
to leave at once
him going into that house
her singing English
You said too quickly to be heard