6、vegone C.went D. go4【2011重庆】15.Icalledyou,butnobodyanswered.Where_______you?A.isB.areC.wasD.were【2011湖南长沙】16.---HaveyoueverbeentoShanghai?---Yes.I_____thereafewmonthsago.AhavebeenB.wentC.havegone【2011山东】17.-WhatdidMr.SmithdobeforehecametoChina?-He______inacarfactory.A.work