问题
选择题
—Did Jack 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 Jack 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