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2#
發表於 2008-12-9 02:17 PM
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（2）丙、丁都爱踢足球 - DOES NOT necessarily mean they know each other...Therefore, （3）第一、三名在这次比赛时才认识 DOES NOT necessarily mean 丙&丁 cannot be 第一&三名...the question is flawed...
; k7 x" T7 E# u l( m) ^& |公仔箱論壇It should say （2）丙、丁都爱踢足球 TOGETHER. |
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