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