I( )read a great deal though I don't have much time for books now.
A.正确答案Aused to
B.have used to
C.am used to
D.was used to
I( )read a great deal though I don't have much time for books now.
I( )read a great deal though I don't have much time for books now.
A.正确答案Aused to
B.have used to
C.am used to
D.was used to