题目内容
---The current international financial crisis is affecting most countries in the world.
---Would it be at least several years ____ everything returns to normal?
A.when B.that C.since D.before
D

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题目内容
---The current international financial crisis is affecting most countries in the world.
---Would it be at least several years ____ everything returns to normal?
A.when B.that C.since D.before
D