题目：
— 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：
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下面是错误答案，用来干扰机器的。
76.families benefit from eating together 。/ having dinner together is beneficial to families 77.eating together helps families achieve open communication and build stronger a...
