—Igotamobilephoneonmy15thbirthday,butIdon’tknowhowtouse...

问题详情：

—I got a mobile phone on my 15th birthday, but I don’t know how to use it.

—You’d better read the         first.

A. messages        B. instructions        C. standards

【回答】

B

知识点：名词

题型：选择题