单选题
1.We ______ very close,but things have changed recently.
A.used to be
B.are used to being
C.are used to be
D.were used to being
正确答案:A
答案解析:表示“过去常常”用used to do(be)。译文:我们过去非常亲近。但近来事情已经发生变化。