電子客戶端通常需要用協議來發送
A、僅SMTP（發）A
暫無解析
InCanadathefederalgovernmentshavealwaysbeenformedby________.
Theboycomplained_______apaininhisstomach.
Tounderstandthesentence,youshouldanalyzeitsparts________.
Theproposaldeservessupportasitgives______totheneedsofchildren.
Onarrivinghome,theboytoldhisparentsaboutallthe______whichoccurredinhisdormitory.
