问题
选择题
It will be quite a long time _____ she is back again, so don't be too cross with her.
A．that
B．since
C．before
D．until
答案
答案：C
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It will be quite a long time _____ she is back again, so don't be too cross with her.
A．that
B．since
C．before
D．until
答案：C