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mother 28 to buy some of them, but there were too many people. We had to wait for some time 29 we bought all the food we needed. Now everything in the market is much 30 than before.

¡¡¡¡£¨ £© 21. A. father B. mother C. sister D. friend

¡¡¡¡£¨ £© 22. A. days B. hours C. years D. times

¡¡¡¡£¨ £© 23. A. market B. shop C. place D. cinema

¡¡¡¡£¨ £© 24. A. clean B. empty C. full D. wet

¡¡¡¡£¨ £© 25. A. cooking B. shopping C. reading D. washing

¡¡¡¡£¨ £© 26. A. at the same time B. all the same C. all the day D. at times

¡¡¡¡£¨ £© 27. A. happy B. strange C. busy D. sorry

¡¡¡¡£¨ £© 28. A. asked B. tried C. liked D. helped

¡¡¡¡£¨ £© 29. A. after B. soon C. if D. until

¡¡¡¡£¨ £© 30. A. bigger B. higher C. better D. finer

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¡¡¡¡Vitamins£¨Î¬ÉúËØ£© are a discovery of this century. A hundred years 31 , no one knew anything 32 them. The vitamins are 33 by letters of alphabet. Vitamin A 34 by the eyes. There is Vitamin A in milk, butter and green vegetables. It 35 by the body.

¡¡¡¡Vitamin B must be supplied £¨Ìṩ£© 36 by some of our food. The skins 37 grains of all sorts have Vitamin B in them.ª¥

¡¡¡¡Vitamin C is very important 38 the body. Without it 39 teeth will become loose and their arms and legs become weak. Oranges and tomatoes 40 Vitamin C in them.

¡¡¡¡There are other vitamins. But these A,B,C are the most important.

¡¡¡¡£¨ £© 31. A. before B. front C. ago D. ahead

¡¡¡¡£¨ £© 32. A. about B. of C. in D. for

¡¡¡¡£¨ £© 33. A. naming B. named C. is named D. names

¡¡¡¡£¨ £© 34. A. needs B. need C. is needed D. was needed

¡¡¡¡£¨ £© 35. A. stores B. be stored C. can store D. can be stored

¡¡¡¡£¨ £© 36. A. times B. in not time C. all the time D. any times

¡¡¡¡£¨ £© 37. A. of B. to C. on D. in

¡¡¡¡£¨ £© 38. A. for B. at C. with D. to

¡¡¡¡£¨ £© 39. A. people B. peoples¡® C. people¡®s D. peoples

¡¡¡¡£¨ £© 40. A. has B. have C. there is D. there are

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