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句型转换 按要求改写下列各句。
85. His mother only allows him to play computer games at weekends. (被动语态)
He___________ only___________ to play computer games at weekends.
86. The foreigner came to Guangzhou three years ago. (同义句)
The foreigner ___________ ___________ in Guangzhou for three years.
87. He used to go out for a walk after supper.(否定句)
He__________ __________ to go out for a walk after supper.
88. Are you tired? Mother asked me. (合并为一句)
Mother asked me ________ I ________ tired.
89. Did your sister know where she should go?(同义句)
Did your sister know _____ _____ go.
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_____________________________________
2. library, in, there, city, a, is,my(.)
_____________________________________
3. want, you, be, do, what, to (?)
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4. fly, do, to, kites, want, you (?)
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5. neighborhood, there, in, a, is,bank, the (?)
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6. to, the, went, mountains, he (.)
____________________________________
7. am, very, after, I, tired, usually, class (.)
____________________________________
8. do, why, like, you, lions (?)
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从下面方框中选择适当的选项填入文中，使短文通顺、完整。选项中有两项是多余选项。
| A. in B. has C. large D. do E. even F. like G. faster H. thousands of I. tired J. reasons K. three L. doing |
Since 1946, one of the most important inventions has been the computer. It 1 changed our lives greatly.
The first computer was built 2 1946. It was as 3 as a room and very difficult and slow to use. But since the invention of silicon "chip"(硅片), computers have become smaller, easier and 4 to operate. Some computers are as small as TV sets. Some can 5 be made smaller than a book. And computers are getting smaller and smaller all the time. Who knows what the computers of tomorrow will be 6 ?
There are several 7 why the computer is useful to us. First, a lot of information can be put into computers. Second, the computer works very quickly— 8 times faster than a man—and it will not be 9 . Third, modern computers can be built into other kinds of machines, like radios, cars and planes. So today people can spend less time 10 more work with a computer.
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