就下列句中划线部分提问。
1．We need three oranges.
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2．We need two tomatoes.
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3．They need one watermelon.
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4．He puts two teaspoons of cinnamon into the blender.
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5．He drinks two cups of milk.
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6．I turn on the blender for about two minutes.
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7．He travels ten miles every day.
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8．We go to the movies twice a month.
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9．The pants are ten dollars.
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10．They go to work by car.
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1． What do you need?
2． How many tomatoes do you need?
3． How many watermelons do they need?
4． How much cinnamon does he put into the blender?
5． How many cups of milk does he drink?
6． How long do you turn on the blender?
7． How far does he travel every day?
8． How often do you go to the movies?
9． How much are the pants?
10．How do they go to work?