完形填空。

Mr Green 1 a small town. He can't speak very 2. He stammers(口吃) 3when he speaks.

One day he goes to a shop. He wants to buy a parrot(鹦鹉). He 4 the shopkeeper(店主),

"D-do-do you have a p-parrot?" "Yes, sir," answers the shopkeeper. "5a nice green6 It knows everything." So Mr Green buys 7 and goes8 with his bird. But9 a few days, he10 it back to the shopkeeper. "This bird can't t-t-talk. It can only st-t-ammer. "