同义句:Bob was so happy because his father bought him a computer yesterday.
问题描述：
同义句:Bob was so happy because his father bought him a computer yesterday.
改为:Bob was so happy because his father -------- a computer ------ him yesterday.（横线上填什么)
答
Bob was so happy because his father ----bought---- a computer ---for--- him yesterday.
buy sb sth = buy sth for sb