terials can match. 40.A.door 39.A.gave out 38.A.expect 37.A.cost 三/国亮速碧（状20/°程：书机强2冷7辣冷09） 36.A.carefully 35.A.this 34.A.For 33.A.While 32.A.bored 31.A.worker thankful to Mr.King. into maths. dentity and status ()With the development of the silk industry,more silk was For hundreds of years after that,silk was only used by rich people.It was a symbol of i- silkworms and how to get silk.In this way,the silk industry was born. that the strong line could be used to make clothes.Then Lei Zu taught her people how to raise take the cocoon out,it started to unwind (and the "line"seemed endless.She realized tea under a mulberry tree when a silkworm cocoon (fell into her cup.As she tried to There is a story about how silk was discovered.Lei Zu,the wife of Huang Di,was having soft.As one of the best materials for clothes,silk has a perfect look and feel that no other ma- It is well-known that silk was discovered in China.It is wonderfully strong,light and B.20X B.worked out B.to expect B.paid B.hardly B.those B.until B.interested B.visitor "Well done!I believe your love for maths will help you with the rest." C.sofa C.ran out C.expecting C.spent C·C C.that C.About C.after C.sleepy C.teacher I enjoyed maths.It was Mr.King that opened the 40 to maths for me and led me in, time 39 the problems,I have a lot of fun.Exercises became harder and I put effort ( I succeeded!Mr.King gave more exercises to me,38 me to make great progress.Every After Mr.King encouraged me,I 37 all my free time on the exercises.A week later. The next day when I gave part of the answers to him he 36 checked them and said my kid "I was a hit surprised and took 35 exereises home.I worked hard that night. per with some maths exereises on it.34 a smile,he asked."Would you like to have a try One day,Mr.King stopped me 33 1 was on my way home.He took out a piece of pa-
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