是What can boy do?还是What can the boy do?

是What can boy do?还是What can the boy do?
是What can boy do?还是What can the boy do?

是What can boy do?还是What can the boy do?
What can boy do?
What can a boy do?
What can the boy do?
都可以!
如果是泛指,用
What can a boy do?
如果是特指,用：
What can the boy do?
What can boy do?也有这么说的,但不是很规范.
仅此而已!

What can the boy do