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It’sapen.Theyarepens.It’sapencil.Theyarepencils.It’sanegg.Theyareeggs.It’sabook.Theyarebooks.It’sabag.Theyarebags.It’sabus..Theyarebuses.It’sacar.Theyarecars.It’sacake.Theyarecakes.It’sanorange.Theyareoranges.It’sanapple.Theyareapples.将下列单词变为复数形式：Iweshetheyisarethisthesehetheyamarethatthoseittheyorangeorangesbusbusesclassclassespencilpencils将下列句子变为复数形式：Iamastudent.Wearestudents.Thisisaneraser.Theseareerasers.Itisacar.Theyarecars.Heisateacher.Theyareteachers.Thatisabus.Thosearebuses.Isthatacellphone?Arethosecellphones?Yes,itis.Yes,theyare.