71. I’$m happy that my 80-year-old grandma has learned how to __________________$（下载）
from the Internet.
Answer key
download
I’m happy that my 80-year-old…——2014 高考英语第 66 题答案解析
2014_陕西卷 (英语)
题目指纹
这道题真正考什么？
difficulty
Differentiating