Module 4 unit 2 Thirteen,fourteen,fifteen雍桂英Have got have got,Ive got.Have got have got,youve got.Ive gotYouve gotapple apples pear pearsorange orangespeach peachesruler rulersbook bookspen penspencil pencilsone eleventwo twelvethreethirteenfourfourteenfivefifteensixsixteensevenseventeeneighteighteenninenineteentwenty sixtythirty seventyforty eightyfifty ninetyHow many 名词的复数形式?How many pens?