They( )good friends, but now they don't even greet each other when they meet.
A.正确答案Dare used to being
B.used to being
C.are used to be
D.used to be
They( )good friends, but now they don't even greet each other when they meet.
They( )good friends, but now they don't even greet each other when they meet.
A.正确答案Dare used to being
B.used to being
C.are used to be
D.used to be