All children in the United States have to receive an education, but not all children go to school. A number of parents　　36　not to send their children to school. Such children are known　　37　　 “home-schoolers”. Some parents prefer teaching their children at home　　38 they do not believe schools teach the correct religious (宗教的)　　39 ; others believe they can provide a better educational　　40 for their children by doing so.　　41 , results show home-schooled children often do better than 　　42 on national tests in reading and math.

　　David teaches his three children at home. He 　　43　that his children learn very differently from children in school. Learning starts with the children’s　　44　and questions. For example, when there is snowfall on a winter day, it may　　45　a discussion about climate, snow removal 　　46 , Alaska, etc. Or a spring evening when the family is out　47　the stars is a good time to ask questions about the sky. If the Brazilian rain forests are on TV, it　48　　be a perfect time to talk about how rain forests influence the climate, how deserts are　49　　and how the polar ice caps　50 ocean levels.

　Home schooling is often more interesting than　　51　schools, but critics (批评家) say home-schoolers might be uncomfortable　　52　 with other people in adult life. Critics also say that most parents are not　53　to teach their children. However, most parents don’t have the time or the　　54　to teach their children at home, so schools will continue to be　　55　　most children get their formal education.

We ______ you more help then, but we were so busy at that time.
   A. ought to have given       B. must have given   
  C. might have given          D. need have given

---Where is my new football shoes, Mum? I need them to play football with my friends.

　 ---I haven’t seen them. You ____ somewhere in your room.

　 A. ought to put it   B. might put it      C. must  put it    D. may have put it

---Where is my new football shoes, Mum? I need them to play football with my friends.

　 ---I haven’t seen them. You ____ somewhere in your room.

　 A. ought to put it　　　 B. might put it　　 C. must put it　　　　 D. may have put it

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　　“What we want is rest.”said Harris.

　　“Rest and a complete change,” said George.“Change of scene, and no need to 1 about anything.”

　　I agreed with George, and suggested we look for some 2 place far from crowds and the noisy world. Harris said he thought it would be 3 . He said he knew the kind of place, I meant, 4 everybody went to bed at 8 o'clock, and you couldn't get 5 News for love or money, and 6 to walk ten miles to the 7 cinema. “No,” he said. “If you want rest and a change, you had better 8 a sea trip.”

　　I was strongly 9 a sea trip. A sea trip does you 10 when you are going to have a couple of months of it, but for a week, it is 11 .

　　George said,“Let's go up the river.” He said we should have fresh air and rest, the 12 change of scene would 13 our mind, and the hard work would give us a good appetite (胃口) and make us 14 well.

　　Harris said he 15 think George ought to do anything that might make him 16 that he already was 17 . All the same he 18 the river would suit him, Harris, perfectly. It suited 19 t too and we 20 decided to go up the river.

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