My father has a computer but he doesn’t know to use itA. what B. how C. who

问题补充：

My father has a computer, but he doesn’t know to use it.

A. what B. how C. who

答案：

解析：疑问词辨析。what 什么； how 怎样； who 谁。句意：我的父亲有一台电脑，但是他不知道怎样用。 根据句子的意思，可知从句中描述的是方式。故选B