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