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