Is it time ( )supper?A.to have B.having

It is time （ ）（have）supper. it is time for having supper. It is time for supper.（同义句） time.to it have is supper.连词成句 Is it time ( )supper?A.to have B.having it,for,time,is,supper?怎么连词成句 Alice,it is time for supper.（改为同义句） it is time for having supper为什么不对? It is time for having supper.这句话为什么不对? it is time for having supper为什么不对? It is time to have supper.意思相近的句子It is time （）（） It's time for supper It's time ()supper now It is time to have supper同义转换成 It's time ____________________________. He is twelve years old.改为同义句 He is a()boy .It is time to have supper .改为同义句 It is （）（） supper. it is time for和it is time to有神马区别?It is time（ ）supper now 为什么要用for而不用to It is time for us to having supper now(找出其中一处错并改正） is it time for me ___(have) supper?横线上填什么,