PartB第四课时一、给下列句子选择正确的图片。()1.IlostmyChinesebook.A.B.A()2.Openthewindow.A.B.()3.Myschoolbagisblue.A.B.BA二、给下列句子选出合适的答语。()1.What'sinit?A.It'smynewschoolbag.()2.Whatcolourisit?B.Amathsbook.()3.Hereitis!C.It'sblueandwhite.()4.Whatisit?D.Thankyousomuch.BCDA三、连词成句。1.myImathslostbook(.)2.isschoolbagWhatyourcolour(?)Ilostmymathsbook.Whatcolourisyourschoolbag?