You can come with me to the library ( )you don't mind walking for 20 minutes
问题描述：
You can come with me to the library ( )you don't mind walking for 20 minutes
A so far as B unless C in case D provided that
答
答案是D,provided that = if ,只要,假如.的情况下
句意是：只要不介意走20分钟,你可以和我们一起去图书馆.
A.和.一样远,表程度比较多
B.除非
C.in case 假使,以防万一.