题干
---It has been ages ________ I last saw you.
--- Yes. And it will be long ______ we meet again.
--- Yes. And it will be long ______ we meet again.
A：when; before
B：since; before
C：after; before
D：before; since
答案(点此获取答案解析）
B
÷△=8……6中，△最小是