How soon would you like to have them done?

　　你要我多久把這些做好？

　　How soon after the tests will I learn the results?

　　我能在檢查多久之后知道檢查結果？

　　How soon can you get hold of that young man?

　　你多快可以找到那個(gè)年輕人？

　　How soon would you like the telephone put in?

　　電話(huà)您希望何時(shí)安裝？

　　How soon will China be able to clean up its air?

　　中國能在多短時(shí)間內將空氣變清潔？

　　How soon before I get my investment back, you figure?

　　就你的估計，我的投資多久能夠回本？