One day, while Mark was walking in Central Park, he saw a UFO. He became afraid of it, and ran to the back of a big tree. The UFO landed in Central Park with a loud noise and bright lights around it. A(n) 1 walked out of the UFO. Mark looked out from behind the tree. Just then, the alien saw him too. They 2 looking at each other. Mark was nervous enough to ask, "Where do you come from?"

    "I'm from another 3 I'm Mel," said the alien. "Let's be friends."

    Mark thought he should make the alien know humans 4and learn how to communicate with humans. So he said, "Follow me."

    Mark began to hang out around with the alien. He 5 that humans had changed Nature to make life easier on Planet Earth. He also said to the alien, "6 gives us more free time to do what we want." Finally, he invited the alien to visit the 7 where he worked. They had a great day.

    As the alien got ready to leave; Mark decided to remember their 8 on Planet Earth on computer in his library. And the alien told Mark, "I'll also 9 the day. When I get back to my planet, I will tell our people 10 humans are very friendly. I believe we will communicate more and get on better with each other in the future."