Everyone learns English - unit 3: classroom (a/an/-s)Versión en línea grammar por Duong Tuan 1 Six Rulers Yes No 2 An Orange Yes No 3 A Friend Yes No 4 An pen Yes No 5 A Letter Yes No 6 A Book Yes No 7 An Egg Yes No 8 An Bag Yes No 9 Five Crayons Yes No 10 An Cupboard Yes No 11 Two number Yes No 12 An apple Yes No 13 A Chair Yes No 14 A Tables Yes No 15 Three bananas Yes No 16 Eleven Pencils Yes No 17 A Teachers Yes No 18 Four Cat Yes No 19 A Flowers Yes No 20 Twelve Ball Yes No
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