1.Thoughwedon'tknowwhatwasdiscussed,yetwecanfeelthetopic______.
A.hadchangedB.willchangeC.waschangedD.hasbeenchanged
(请讲解C.D.)
2.IknowalittlebitaboutItalyasmywifeandI______thereseveralyearsago.
A.aregoingB.hadbeenC.wentD.have
(请讲解B.C.)