问题
选择题
— Did your father come back early last night?
— Yes. It was not yet eight o'clock ____ he arrived home. [ ]
A. before
B. when
C. that
D. until
答案
答案：B
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— Did your father come back early last night?
— Yes. It was not yet eight o'clock ____ he arrived home. [ ]
A. before
B. when
C. that
D. until
答案：B