i ___(记得)they once came here for dinner.

i ___(记得)they once came here for dinner. they came here an hour ago 改为同义句 they ___ ___ here for an ho They have been here once.把been换成came怎么样 they came here last week.they__ ___ here since__ __. -___ you _____ China for a ling time -Yes ,I came here three I came here at least once a month.翻译 they came here for a year这句哪错了? They came here for ayear哪里错了 they---here once in the past .a,came b,have come .c has come I came here ___ (special) to see you. they ___ for some time when a message came . We came here tow hours ago.(改为同义句)We ___ ___ ___ for two hou