教育/科学->外语学习->
I__theUSAforabouttwoyears
A.havebeentoB.havegonetoC.havebeeninD.havebeen
-Wearegoingtohaveafour-dayholiday
-____gotoHangzhouforholiday.
A.HowaboutB.WhataboutC.ShallweD.Howdowe