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