How many chidren do they have

Let me look after the sick birds.

He is old enough to dress himself.

Are you  sorry for what I do
亲 第一个不是问句是陈述句第一题应该是问句。否则此题就有问题了。
4.改为I am sorry for what you have done .do 应该是done.可原题就这样您在试试看看能改陈述句吗此题不能变为陈述句。一定是符号错了。