丁丁

级别: 荣誉会员 二等发帖奖
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注册时间:2005-02-25
最后登陆:2008-05-25
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请教几道英语题......
1.My new pen____.Who____have taken it? A.has been disappeared;can B.has disappeared;could C.is missing;should D.has been lost; may
2.____is known to all that smoking does harm____our health. A.As;for B.As;to C.What;for D.It;to
第一题为什么不选A...? 第二题为什么不选B....? 可以把所有答案分析一下吗??? 谢谢啦...
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