题目内容
-- How do the twins usually go to school?
-- They_______ take a bus, but now they _______ walking.
A. used to; used to B. were used to; are used to
C. used to; arc used to D. were used to; used to
C
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题目内容
-- How do the twins usually go to school?
-- They_______ take a bus, but now they _______ walking.
A. used to; used to B. were used to; are used to
C. used to; arc used to D. were used to; used to
C