my brother and i. peter's and henry's. jack's. mike and joan. David's. a new computer. mary and i用适当的代词替换上面的词

问题描述:

my brother and i. peter's and henry's. jack's. mike and joan. David's. a new computer. mary and i
用适当的代词替换上面的词

my brother and i 代 we
peter's and henry's theirs
jack's his
mike and joan they
David's his
mary and i we
a new computer it