翻译下列句子。
1. Which one do you like?
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2. How much is it?
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3. I want to buy a toy plane.
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4. How about this one?
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5. What can I do for you?
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when （   ）

A．什么

B．展示

C．当……时

写出下列单词的汉语意思
1.lucky_______ 2. learn________ 3. often________ 
4.student_________   5. get on well__________  6. away_________
7. six_______ 8. three________ 9. each other__________

翻译。
The bag costs one hundred and thirty yuan. It’s expensive.
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英译汉：He likes running in autumn.
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