He enjoys himself.（对himself提问）怎么写

网友回答

Who does he enjoy of?
======以下答案可供参考======
供参考答案1:
does he enjoy himself?
楼上does拼错了
供参考答案2:
Who does he enjoy of?
供参考答案3:
Is he enjoying himself?
供参考答案4:
Who does he enjoy of?
供参考答案5:
Whom does he enjoy?
himself是宾格,要用Whom提问.