题目内容
6、My father bought me a MP4，but I don’t know ________ it．
A．when to use B．what to use C．where to use D．how to use
试题答案
6、D
相关题目
题目内容
6、My father bought me a MP4，but I don’t know ________ it．
A．when to use B．what to use C．where to use D．how to use
试题答案
6、D