Shall we have one nigst

Shall we have one nigst where shall we have lunch? ( ))shall we have a pcnic 英文：Shall we have dinner We have only one shall we ______(have)a picnic tomorrow shall we have----international food festival ----- saturday, What shall we have _________ lunch .(介词) ------shall we have our picnic tomorrow? Shall we have some noodles ________ dumplings? a picnic shall we when have shall we _____(have) a picnic tomorrow