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