1,Nowadayswiththedevelopmentofoursociety,moreandmorehi-techproducts_____(introduce)toourlife.2,Isittheyears_____youworkedinthefactory_____haveagreateffectonyourliteraryworks?(填that,where或which)3,Itwon'tbelongbefore

　　1,Nowadayswiththedevelopmentofoursociety,moreandmorehi-techproducts_____(introduce)toourlife.

　　2,Isittheyears_____youworkedinthefactory_____haveagreateffectonyourliteraryworks?(填that,where或which)

　　3,Itwon'tbelongbeforehereturnstohisnativeland.这句话对吗?

　　4,Whenshewasawake,shefoundthatshewaslyingon____seemedtobeapieceofstone.填that/what/which/it