问题
选择题
— I didn’t know you were friends with Mr. Smith.
— We ______ each other for6 years.
A．knew
B．are known
C．have known
D．will know
答案
答案：C
题目分析：句意：我不知道你和史密斯先生是朋友。——我们已经彼此认识六年了。结合语境可知本句描述的是现在已经完成的动作。故选C。
搜题请搜索小程序“爱下问搜题”