会议电话是指首先由一个用户负责组织通话，并控制通话的进行，在呼叫等待的基础上，将原来处于保持状态的用户加入通话，完成多方的实时交谈。
1、正确正确
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AlthoughTomissatisfiedwithhisacademicachievement，hewonders_______willhappentohisfamilylife.
Nowmanymajoremployersarebeginningtodemand_______thecompletionofschool
ModernEnglishvocabularydevelopsthroughthefollowingchannelsEXCEPT______.
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Theyshouldtryto________theirusualinhibitionsandjoininthefun.
