．Mother us stories when we were young .A. was used to tellB. is used to tellingC. used to

问题补充：

．Mother us stories when we were young .

A. was used to tell

B. is used to telling

C. used to tell

D. used to telling

答案：

A. was used to tell

B. is used to telling

(答案→)C. used to tell

D. used to telling

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