"Calls you just to say Hi"call为什么要加s?

"Calls you just to say Hi"call为什么要加s? Calls you just to say hi calls you just to say hi翻译成中文是什么意思 "we can make phone calls to invite friends." 句子中的call 为什么加了s just to say hi if anybody calls,tell him I will be back.的call为什么要加s just to say hi or just say hi? I Just Call To Say I Love You 歌词 call you just to 英语语法问提,We can send emails and make phone calls为什么call后加s. su yang calls her after lunch.calls为什么要加s Hi guys upstairs,I just come to say Hi~