Read the following article and answer the question. Article: Once there was a huge apple tree.A little boy loved to come and play around it every day.He loved the tree and the tree loved to play with him. Time went by---the little boy had grown up and he no longer played around the tree every day.One day, the boy came back to the tree and he looked sad."Come and play with me, " the tree asked the boy."I'm no longer a kid.I wouldn't play around the tree any more." the boy replied."I want toys.I need money to buy them." "Sorry, I don't have money.But you can pick all my apples and sell them.So, you will have money." The boy picked all the apples on the tree and left happily.The boy never came back after he picked the apples. One day, the boy returned and the tree was so excited, "Come and play with me, " the tree said."I don't have time to play.I have to work for my family.We need a house for shelter.Can you help? " "Sorry, I don't have a house.But you can cut off my branches to build your house." So the boy cut all the branches off the tree and left happily.The tree was glad to see him happy but the boy never came back since then.The tree was again lonely and sad. One hot summer day, the boy returned and the tree was pleased."Come and play with me! " the tree said."I am sad and getting old.I want to go sailing to relax myself.Can you give me a boat? " "Use my trunk to build your boat.You can sail far away and be happy." So the boy cut the tree trunk to make a boat.He went sailing and never showed up for a long time. Finally, the boy returned after he left for so many years."Sorry, my boy.But I don't have anything for you any more.The only thing left is my dying root, " the tree said with tears 1 "Good! Old tree root is the best place to lean on and rest.Come and sit down with me and rest." The boy sat down and the tree was glad and smiled with tears 2 Question: The boy came back to the apple tree   _  . Answer:
when he was in times of difficulty
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Read the following article and answer the question. Article: One day, when Jack is taking a walk on the street, he hears a voice. He finds a girl crying in the street. "Why are you crying, little girl?" Jack asks. "I lost my doll," the girl answers. "Don't cry, little girl. I'll go to the shop and buy a new doll for you," Jack says. So the little girl follows Jack to the shop and Jack buys a very nice doll for her. The little girl begins to feel happy. Then Jack says goodbye to her. But a few minutes later, Jack hears the girl crying again. "Why are you crying again?" Jack asks the little girl. "If I hadn't lost my doll, I'd have two dolls!" the girl says. Question: Why does the little girl cry again? Answer:
She thinks she should have two dolls, but now she only has one.
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Read the following article and answer the question. Article: Mr. Brown lived in a house less than two miles from his office, so he was able to drive home every day for lunch. Every time he drove home at noon, he found many cars were parked outside his house and there was no room for his own car. He had to drive somewhere else to park his car. Then he had to walk back home. This made him very angry. He had put up a board, which said, " No parking" in the garden facing the road, but nobody noticed it. People seemed to obey  only a police notice with letters on a blue board: POLICE NOTICE NO PARKING Mrs. Brown suggested that he could steal a police notice. He was afraid to do so. She then suggested that he could make one just like a police notice. He said he was not the police and couldn't use the word "police". Several days later, Mr. Brown made a blue board with white letters: POLITE NOTICE NO PARKING " Oh!" Mrs. Brown said, "You told me you weren't going to use the word  "police", but why do you use it now?" "Really?" he asked, "Look again." She started to laugh. "You are really clever." Question: We can infer  that   _   after he put up the blue board. Answer:
fewer people will park their cars outside his house
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Read the following article and answer the question. Article: Do you like traveling? Have you traveled to Los Angeles? Have you traveled to the moon? A rich man plans to live on Mars. Is it the beginning of a science fiction novel? In fact, it happens in the real world. Elon Musk is the founder and CEO of a private spaceflight  company. He has said his plan is to live on the planet. He says he plans to live on Mars with a group of fewer than ten people. He will take them on a rocket powered  by liquid oxygen  and methane . Each one should pay $ 500,000 to fly there. However, these passengers are not going there to travel, but they are going to work. They need to carry tools to build houses and grow crops  there. Musk believes one person out of every 100,000 people may be interested in making the journey. Then Mars will have sixty-three thousand people in the future. Question: A rich man plans to live on   _  . Answer:

Mars
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