题目内容

Since when has ____ been any of your business what I do?

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——Mark broke his leg when he was playing football.

——_____________ was that?

A. Since when 　　　　　　　　　　　　　　　　　　　　 B.Since when ago

C.How long 　　　　　　　　　　　　　　　　　　　　 D.How long ago

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A. when B. during which C. since then D. since when

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A．since; before

B．after; when

C．since; when

D．after; before

It is a long time _______they separated, but it won’t be long ____ they meet again.