问题
I hear your grandpa has an old cup in your home.– Yes. It ________ drinking tea long ago and my grandpa _______ drink tea with it when he was young.
A:was used to; was used to
B:used for; used to
C:was used for; was used to
D:was used for; used to;
B:used for; used to
C:was used for; was used to
D:was used for; used to;
正确答案是：
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