UnitOneTopicThreeSectionCA:What’sthisinEnglish?B:It’sa/an….A:What’sthatinEnglish?B:It’sa/an….A:Isthisa/an…?B:Yes,….A:Isthata/an…?B:No,itisn’t.It’sa/an….A:Whatarethese?B:Theyare….oranges.A:Whatarethose?B:Theyare….books.A:Aretheseapples?B:….Yes,theyare.A:Arethoseerasers?B:No,theyaren’t.They’retelephones.aboxtwoboxesacakethreecakesaschoolbagfourschoolbagsabusabussevenbuses写出下列名词的复数形式1.book2.cake3.apple4.pencil5.orange6.blackboard7.box8.busbookscakesapplespencilsorangesblackboardsboxesbuses一般情况在名词后直接加“s”以“s,x”结尾加“es”
