问题
选择题
—I will miss you very much, Mary.
—Don't be so sad. It won't be long _____ we meet again . [ ]
A. before
B. after
C. since
D. when
答案
答案：A
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—I will miss you very much, Mary.
—Don't be so sad. It won't be long _____ we meet again . [ ]
A. before
B. after
C. since
D. when
答案：A