题目内容
When I talked with my grandma on the phone, she sounded weak, but by the time we ____up, her voice had been full of life.
A.were hanging B.had hung
C.hung D.would hang
C

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题目内容
When I talked with my grandma on the phone, she sounded weak, but by the time we ____up, her voice had been full of life.
A.were hanging B.had hung
C.hung D.would hang
C