Did you have a party ( )New Year?A.at B.in C.on

Did you have a party Did you have a party yesterday?(改现在完成时） Did you have a birtthday party last year? Did you have a good time at the party, Linda写同义句Did you _____ _____at the party,Linda Did you have ( )at the party? Did you have a party ( )New Year?A.at B.in C.on when did you have a party?what was it for?怎么回答? Did you have a lot of fun on your birthday party? Did you have a good time at the party?为什么用at? Did you have a wonderful time ai the party?(改为同意句) Did you ———— ————at the party? Did you have a good time at the party last night?改为同义句 Did you __ __ at the party last night Did you have a good time at Jane's birthday party?(同意句)Did you _____ ______ at Jane's birthday party? did you have a good time at the party怎么改did you＿＿＿ ＿＿＿at the party Did you brother have a great time at the party?（改为同义句） Did you brother ______ ______ at the party? “Did you have fun at the party”的同义句? Did you have a lunch? Did you have a blast? What was it for?该怎么回答?RT求教!前面一句是：When did you have a party?