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1、The ambulance worker drove quickly to the hospital.（改为一般疑问句）
the ambulance worker quickly to the hospital?
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2、He spent five hundred yuanon the ticket of the concert.（保持句意基本不变）
The ticket of the concert five hundred yuan.
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3、We can use water for drinking.（对划线部分提问）
can you use water ?
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4、Ships and boats should stay in typhoon shelters.(对划线部分提问）
ships and boats stay?
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5、Many animals in forests die because they lose their homes and food.（对划线部分提问）
many animals in forests die?
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6、你在出去时务必带上雨伞。
your umbrella when you go out.
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7、对我们来说学好各科知识是最重要的。
To us, learning all the subjects .
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8、不要玩弄树木。
Don't the trees.
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9、—How ____ is it from Xujiahui to the Expo site in Puxi?
—About 5 kilometres.
A、long B、far C、soon D、often -
10、— Would you like something to eat, like a cheese cake or a tiramisu?
— ____. I'm not hungry.
A、Yes, I would B、No, I wouldn't C、Yes, please D、No, thanks -
11、Last night, the wind blew strongly. Some trees ____ down.A、fall B、fell C、falls D、falling
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12、Oil and coal come from animals and plants that died ____ years ago.A、million B、millions C、two millions of D、millions of
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13、A ____ desk is made of ____.A、wool, woollen B、wood, wooden C、wooden, wood D、woollen, wool
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14、The Earth is very important ____ animals and plants.A、in B、to C、on D、with
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15、People use fire ____ food.A、of cooking B、cooked C、to cook D、to cooking
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16、Farmers need water ____ plants.A、to water B、for water C、water D、watering
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17、I prefer walking ____ climbing.A、on B、from C、of D、to
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18、The oceans are very important ____ both humans and animals.A、for B、in C、to D、of
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19、You should stop ____ water.A、waste B、be wasted C、wasted D、wasting
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20、Trees help us to keep the city ____.A、cleaning B、clean C、cleaned D、to clean