题目

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 解析: 此题考查连词的用法。It is + 时段 + since / before / that...，用that则构成强调结构，since表示”自从……以来”，before”在……之前”，此句意思是”很久之后才回来，所以别对她发火”。

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