题目内容：

When the boys reached home, it was seven o’clock. It was dark outside 1. ____there was a light inside their home and the door was open. They could see a man inside.

“Who can it be?” said Peter, “Mother and Father 2. __________(go) out to do some shopping. They won’t be home 3.______eight o’clock.”

When the man saw Peter, he looked 4. _________ (fright). Then he smiled and said. “Come in! You don’t know me, but I’m 5. __ friend of your father’s.” The man didn’t see John.

Peter went inside and began talking to the man but John didn’t. He quickly but quietly ran off.

He soon found a policeman and brought him back to their home. The man was still there， but 6. _____he saw the policeman, he tried to run off. The policeman caught him 7. ___ the arm. Just then the boys’ parents returned.

“Is the man your friend?” The policeman asked Mr. Turner.

“No, I don’t know 8.____at all.”

Then the man 9.________(take) away by the policeman. Mr. Turner praised his sons for their courage and 10.______ (clever).