问题
选择题
—Jim, you look so tired!
—Oh, I didn’t go to bed ______ it was 12 o’clock last night.[ ]
A．until
B．as
C．if
答案
答案：A
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—Jim, you look so tired!
—Oh, I didn’t go to bed ______ it was 12 o’clock last night.[ ]
A．until
B．as
C．if
答案：A