问题
选择题
I find it difficult to keep ________ of my old friends.
A．company
B．track
C．touch
D．pace
答案
答案：B
搜题请搜索小程序“爱下问搜题”
I find it difficult to keep ________ of my old friends.
A．company
B．track
C．touch
D．pace
答案：B