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最佳答案：Many children struggle with school.Sometimes these problems are caused by a lack
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最佳答案：小题1:developed（quickly）（ 形式及时态错不给分）小题2:Because there’re more mouths to feed and l
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最佳答案：小题1:She was giving free advice.小题2:They expect her to listen and provide real an
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最佳答案：小题1:Collecting stamps with themes小题2:other methods of collecting stamps小题3:We sh
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最佳答案：The Great Wall of China is a series of stone and earthen fortifications in north
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最佳答案：一1,Is,hungry,she,is2,don't like3,what season4,old are二.对错错错对三.1,a 2,c 3,c 4,c 5,
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最佳答案：1.There aren't any grapes in the firdge.2.What are there on the bed?3.What can s
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最佳答案：I like sleeping,so I've been always late for school in the morings,as a result,m
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最佳答案：Find a job you like is difficult, but all that I engage in any work, I would fir
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最佳答案：从4个中选两个人为英语 则另两人为汉语 6X（1/3)^2X(2/3)^2=8/27X=0,1,2,3,4对应 Y=4,3,2,1,0故X=0,2,