I am going to look after my young sister tomorrw.改成被动句

问题描述:

I am going to look after my young sister tomorrw.改成被动句
My young sister( )( )( )( )( )( )by me tomorrow
Many people send donations to charities to support their work.
Many people support their work( )( )donations to charities.

My young sister( is )( going )( to )( be )( looked )( after )by me tomorrow.
Many people support their work( by )( sending )donations to charities.