Birds live in the trees. Squirrels live in the trees. But do you know that some frogs live in the trees, too? The tree frog is hard to find. It can change colors. On green leaves, it stays green. On a brown branch ,it turns brown. Some tree frogs can change from green to gold or blue. Tree frogs have legs and wide feet. They have sticky pads at the end of their toes. These sticky toe pads keep the tree frogs from falling off the trees. Tree frogs have different colors and markings on their skins. Their eyes are different, too. Some have green eyes, and others have bright red ones. The sounds they make are different, too. One frog makes a sound like a dog barking .Another frog makes a loud noise like a snore .There is even a frog that whistles ! According to the passage, these frogs are hard to find because _ . A) they stay in trees B) they can change their colors C) they have sticky pads D) they make surprising sounds
B

Hello, I'm Jack. Please look at the picture of my classroom. On the front wall, there is a blackboard.It's very big. In front of the blackboard, there is a yellow desk. It's for our teachers. There is a computer on it. On the right wall there is a map of China. On the black ( ) wall of our classroom is a blackboard. We can write and draw on it. There are forty students in my class. Everyone has a desk and a chair. In my classroom, my desk is next to Li Fang's desk. She is on my left . And Tim is on my right. In front of me is John . Who is behind me ? It's a girl, Amy. They are my good friends. There are _ desks in Jack's classroom . A) 20 B) 21 C) 40 D) 41
D

Mike is a factory worker. He is often very tired after a day's work. His wife, Jenny, has no job, so she stays at home to cook the meals. Every day he can have his dinner when he gets home from his factory. One day, Mike came home very late because he was very busy in the factory. He was very hungry when he got home. He was not happy when he found his dinner was not ready. He was very angry with his wife. He shouted at her, "I'm going out to eat in a restaurant." "Wait for five minutes," said his wife. "Why? Do you think that dinner will be ready in five minutes?" asked Mike. "Of course not," she answered. "But I can be ready to go with you in five minutes." Mike works in _ . A) a factory B) an office C) a school D) a hospital
A