It‘s a good time for sb to do sth中,to do sth在句中充当什么成分?for sb是什么成分

Spring is coming.It's a good time for _____ It's the time for,It's a time for,It's time for的区别 it's a good time to climb hills 可以等于it's a good time for climbing hills _It's a fine day today._Yes.It's a good time__________a picnic.A.for having B.to have Mike ,sit ________.It's time _____class.A、good ;for B、well;for C、well ;to D、good ;to It's a good time to climb hills中的It是不是形式主语那么It's a good season for flying kites中的it又做什么? It's a good time for outdoor activities in spring (in spring 划线提问) It's for a good RT It's raining for a long time? it's time for It's time for It' s time for 英语辩论赛：For side:It's good for college students to have a part-time job.英语辩论赛：For side:It's good for college students to have a part-time job.Against side:It's not good for college students to have a part-time job.要求用英 This's A Good Time For splee ! 这是什么意思? It's very good for you to listen to music,watch TV,( ) surf the Internet after a long time study. 英译汉 It's not a good idea to ask very personal questions when you meet someone for the first time 有一首歌 有一句是 It's aways a good time 求歌名 “wow,it's always a good time”是什么歌 It's a good time to climb hills.(同义句）It's a good time ____ _____ hills.