— Did Jack come back early last night?
— Yes. It was not yet eight o'clock ______ he got home.[ ]
A. before
B. when
C. that
D. until
答案:B
— Did Jack come back early last night?
— Yes. It was not yet eight o'clock ______ he got home.[ ]
A. before
B. when
C. that
D. until
答案:B