I am sorry___(hear) that.

I am sorry___(hear) that. I am happy( )hear that I am ___to hear that i am sorry to hear that.是什么意思? I am very sorry to hear that. 关于I am sorry to hear that i am sorry to hear that that you said I am sorry to hear tha i am sorry to hear that 这个句子中,请问 to hear that 做什么成分 glad,I,hear,am,to,that怎么排 填空来的.I am happy to hear that,____ . I am very glad to hear that you want to that I am to hear sorry.(连词成句）