say和said的区别和联系

say和said的区别和联系 say和said的区别 he would say和he said的区别 WHAT THEY SAID 和 WHAT THEY SAY有什么区别 请问what did he say 和what he said 的区别是什么 what did you say 和 what did you said 的区别不是过去是吗?为什么大家用what did you say而不用what did you said said和told的区别------------- 计算机病毒的区别和联系? 与的区别和联系 tell和say的用法和区别? it's said that和it said that的区别 粘度和黏度的区别和联系? 分数和百分数的区别和联系 蒸发和沸腾的区别和联系. 总数和平均数的联系和区别 哲学和心理学的联系和区别, 建筑物和构筑物的区别和联系? 量表和问卷调查的区别和联系