He like doing加某人某事某物或doing加某人某事某物
详细解
可以是喜欢人可以是图书，可以是一个地方。有些会用到the，the是特指，指特定的某物某事。
例子
What did her father like?
她的父亲过去喜欢什么
He liked the key from his friend.
他过去喜欢他的朋友送给他的钥匙。
what does he like回答是什么
He likes sth/ doing sth.
原句问的是"他喜欢什么?"
英语中like意思是"喜欢"，like 后可加名词也可加动名词，所以回答是可以随意。例如:
What does he like? He likes playing football.
What does he like? He likes delicious food.
he是第三人称单数，回答时要用likes
