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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Its,a pen.,They are,pens.,Its,a pencil.,They are,pencils.,Its,an egg.,They are,eggs.,Its,a book.,They are,books.,Its,a bag.,They are,bags.,Its,a bus.,.,They are,buses.,Its,a car.,They are,cars.,Its,a cake.,They are,cakes.,Its,an orange.,They are,oranges.,Its,an apple.,They are,apples.,将下列单词变为复数形式:,I,we,she,they,is,are,this,these,he,they,am,are,that,those,it,they,orange,oranges,bus,buses,class,classes,pencil,pencils,将下列句子变为复数形式:,I am a student.,We are students.,This is an eraser.,These are erasers.,It is a car.,They are cars.,He is a teacher.,They are teachers.,That is a bus.,Those are buses.,Is that a cell phone?,Are those cell phones?,Yes,it is.,Yes,they are.,
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