1.closed 2.fell...was reading 3.have...seen 4.tells 5.not to talk 6.pick 7.gave 8.felt..ate 9.must be looked after 10.was set up 11.will learn 12.doesn't do 13.are 14.was seen 15.have studies 16.developing...
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B A B B B C A C 还有第九第十这两个空是在哪?Sometimes I think animals in the zoo may want to go back to the forest.But I also think zoos are good places(9)animals.People give them(10),so they're not h...
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color 英音：['kʌlə]美音：['kʌlɚ]lucky英音：['lʌki]美音：['lʌkɪ]girl英音：[gə:l]美音：[gɝl]little英音：['litl]美音：['lɪt!]first英音：[fə:st]美音......
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动名词和现在分词都有完成时的被动式,形式完全相同,都是 having been done eg .He felt reget for having been told the news . Having been praised by the teacher ,he worked harder ....
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这是一个倒装结构,强调so 引导的从句,所以助动词前移：So involved with their computers do the children become,原句是：The children become so involved with their computers that leaders at summer co...
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slipped was loking slip 是 小偷的一个动作而已,when你想啊,说的是一个状态啊,是一段时间内如何如何,可以理解为“当时”,当然用过去的进行时态,迅速解题...
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付账后离开 He couldn't have checked out so early. 他不可能这么早就离开. 如果后面接宾语,即“付账后离开【某处】”,便在后面加of,如此句的 the hotel...
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I flied to Japan yesterday afternoon. I went to Japan by air/plane yesterday afternoon....
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