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it,is,this,that单数有：these,those,are,they复数有：说出下面的单词是单数还是复数。thisthesethatthoseittheyisaretomatotomatoesoniononionsYes,itis.Yes,theyare.No,theyaren't.No,itisn't.1.____thesebeans?A.AreB.IsAre2.____thatapear?A.AreB.IsIs3.Are______onions?A.thisB.thesethese4.Is______anapple?A.thisB.thesethis5.They____carrots.A.areB.isare6.Theyare__________.A.tomatoB.tomatoestomatoesTheseare__________.A.cabbageB.cabbagescabbages6.Thisisa________.A.peachB.peachespeach