One evening two young men were walking in the street together. They tried to find a chance to steal something. The clock struck twelve. Most of the people went to bed. Quickly they came to a house and it seemed that everyone in the house had fallen asleep. Standing at the front gate, one said in English to the other in a low voice, "You wait here. I'll go around to the back door and then get into the house. "Suddenly out of the house ran a dog, barking at them. The two men were very frightened and ran away as fast as they could. Finally, they stopped at a lonely place. The man said breathlessly, "It's too bad. I hadn't expected that the dog could understand English. " Why did the two men walk in the street one evening? Because.  _  .
they couldn't fall asleep they wanted to steal something they would like to take a walk they went to visit their friends