—Is your father a teacher? —Well, he ___
题型:选择题
问题:
—Is your father a teacher?
—Well, he _______.
A.used to
B.was used to
C.used to be
D.is used to be
—Is your father a teacher?
—Well, he _______.
A.used to
B.was used to
C.used to be
D.is used to be