题目内容
I ________ with Hanmeimei on the phone _______ the light went out.
A. am talking; while B. was talking; when
C. talked; when D. was talking; while
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题目内容
I ________ with Hanmeimei on the phone _______ the light went out.
A. am talking; while B. was talking; when
C. talked; when D. was talking; while