In this section you will find after the reading passage a number of questions of unfinished statements about the passage , each with four suggested answers or ways of finishing . You must choose the one which you think fits best (10 points) People usually sing because they like music or because they feel happy. They express their happiness by singing. When a bird sing, however, its song usually means much more than that the bird is happy. Birds have many reasons for singing. They sing to give information. Their songs are their language. The most beautiful songs are sung by male (cock) birds. They sing when they want to attract a female (hen) bird. It is their way of saying that they are looking for a wife. Birds also sing to tell other birds to keep away. To a bird, his tree or even a branch of tree, is his home. He does not want strangers to come near him, so he sings to warn them. If a bird cannot sing well, he usually has some other means of giving important information. Some birds dance, spread out their tails or make other sings. One bird has a most unusual way of finding a wife. It builds a small garden of shells and flowers. 21. Why do people usually sing ? A. They like birds. B. They feel happy. C. They want to tell a story . D. They like studying music. 22. Which birds sing the most beautiful songs ? A. Birds in a good temper. B. Cock birds. C. Hen birds. D. Female birds which attract male birds. 23. What warnings does a bird sometimes sing ? A. A warning to keep away. B. A warning to come quickly. C. A warning about the approach of people D. A warning to stop singing. 24. What do most birds usually do if they cannot sing well ? A. warn other birds to go away. B. give their information in another way. C. find a wife. D. fly high in the sky. 25. What is one bird's unusual way of attracting a hen bird ? A. It dances. B. It spreads out its tail. C. It searches for a wife. D. It uses shells and flowers to make a garden.

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Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one. 21._______ is a sport in which you move along the surface of the sea or a lake on a long narrow board with a sail on it. a. Water polo b. Diving c. Windsurfing d. Scuba diving 22.Water polo balls _______ with a special texture so it will not slip from the hands of a player. a. cover b. are covered c. are being covered d. covered 23.Alexis _______ next week. a is swimming in the state championship b. is swimming the state championship c. is swum the state championship d. is swum the state championship 24.The news of war _______ and the world. a. was shocked the nation b. was shocked by the nation c. shocked the nation d. shocked by the nation 25.The player _______. a. will reward for his hat-trick b. will be rewarded for his hat-trick c. will reward his hat-trick d. will be rewarded his hat-trick 26.Before the end of the term, I _______ all the required reading. a. was finished by b. had been finished by c. had finished d. had been finished 27.The player was ejected because he committed a foul. a. as b. due to c. despite d. provided 28.John could not continue the match _______ his badly injured leg. a. because b. since c. as d. because of 29.They cancelled the match _______ his badly injured leg. a. due to it rained heavily b. because of the heavy rain c. because of it rained heavily d. because the heavy rain 30.You need proper shoes to go hiking in the mountains, _______ the ground is rough and hard. a. though b. due to c. because of d. because