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句型转换.1.Th 句型转换. 1.The glasses are used for seeing in the dar

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句型转换.1.Th
句型转换.
1.The glasses are used for seeing in the dark .(对画线部分提问)
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2. Chelsea Lanmon invented the heated ice cream scoop.  (对画线部分提问)
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3.Chelsea Lanmon invented the heated ice cream scoop.(改为被动语态) 
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4.The telephone was invented in 1876 .(对画线部分提问) 
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1.What are the glasses used for?
2.Who invented the heated ice cream scoop?
3.The heated ice cream scoop was invented by Chelsea Ianmon.
4.When was the telephone invented?