摘要： –Are you a teacher? --No, but I . A. used to B. was used to C. used to be D. used to do
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–Are you a teacher?
--No, but I ________.
A. used to B. was used to C. used to be D. used to do
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–Are you a teacher?
--No, but I ________.
A. used to B. was used to C. used to be D. used to do
查看习题详情和答案>>— Are you a teacher?
— No, but I _____.
— No, but I _____.
[ ]
A. used to
B. was used to
C. used to be
D. used to do
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B. was used to
C. used to be
D. used to do