问题
选择题
We have been studying English .
A.since two years
B. since two years ago
C. for two years ago.
答案
答案：B
题目分析：句意为：两年前我们就在学习英语。since+时间点或since+时间段+ago，for+时间段。结合选项可知应选B。
搜题请搜索小程序“爱下问搜题”
We have been studying English .
A.since two years
B. since two years ago
C. for two years ago.
答案：B
题目分析：句意为：两年前我们就在学习英语。since+时间点或since+时间段+ago，for+时间段。结合选项可知应选B。