teacher appreciate knowing that parent are interested in theirs childrens progress为什么填that

问题描述:

teacher appreciate knowing that parent are interested in theirs childrens progress为什么填that

这里的knowing 是动名词,做appreciate的宾语,而that引导了同位语从句,是knowing的同位语,具体阐明了knowing.同位语从句that无法省略.