change: if ---> whether

in a sentence like that, I believe 'whether' should be used.
busy ---> bustling

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回复:change: if ---> whether -戏雨飞鹰- 给 戏雨飞鹰 发送悄悄话 戏雨飞鹰 的博客首页 (0 bytes) () 03/21/2010 postreply 08:46:27

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