Evening comes. It's time for Mr. Bell to1  his shop. He is2  his money now. His son, Tom, who is fifteen, goes out to buy a newspaper. Then, a big man walks into the shop. He has a gun(枪) in his hand. 

When Tom comes back, he can hear the big man asking his father for money. Tom can see the gun in the3  hand, but the man doesn't4  or hear him. 

Tom goes back to the street. He looks for the police, 5  he doesn't see any. Then 

Tom sees an old baseball bat(棒球棒) lying in the street. "Maybe this will help, " he thinks. He runs 6 with it.

His father is giving some of the money to the man. The man is watching his father carefully. Tom knows he can not 7 long. "Now is the time. I must do it now. " Tom goes to the man quietly and knocks(敲) him down8 the bat.

Tom and his father then run out of the shop quickly. This time they find the 9  and tell them10  happens. The police quickly go to the shop and11  the man.