问题
选择题
Grandma ______ us stories when we were very young. [ ]
A. used to tell
B. was used to tell
C. is used to tell
D. was used to telling
答案
答案：A
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Grandma ______ us stories when we were very young. [ ]
A. used to tell
B. was used to tell
C. is used to tell
D. was used to telling
答案：A