We know _____America is great not because it is perfect but because it can alwa
题型：不详难度：来源：
We know _____America is great not because it is perfect but because it can always be made better and _____ the unfinished work of perfecting the union falls to each of its citizens.| A．不填；不填 | B．that ; that | C．that ; 不填 | D．不填；which |
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答案
| B |
解析
试题分析:考查连接词用法。根据结构可知此处and连接两个宾语从句，从句意思完整，不少成分，所以用that引导，所以答案选B。句意：我们知道美国之所以伟大，不是因为它完美，而是因为我们可以不断让它变得更好，而让它更好的未竟工作，就落在我们每个人的身上。 |
举一反三
| In case of fire, stay low to the ground in a smoky room, ________ smoke always rises towards the ceiling. |
| ________ the global economy is showing signs of recovery, many developing countries are still suffering. |
Some people are holding their umbrellas ____ it is raining. | A．in case | B．so that | C．as though | D．unless |
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He found it impossible to please his boss; ____, he quit the well-paid job. | A．however | B．even so | C．otherwise | D．thus |
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______you are always optimistic and self-confident, I can"t wait to make friends with you.| A．Though | B．Since | C．While | D．So |
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