[英语语法]非谓语填空,求原因~

分类: 作业答案 • 2021-12-30 13:02:09

问题描述：

[英语语法]非谓语填空,求原因~
i often hear people___________ (say),"_________(say) is ___________(believe)".
后两个空格没问题,是to see/seeing；to believe/believing