mum,i am happy at school.-----------.a i am glad to hear tha

mum,i am happy at school.-----------.a i am glad to hear tha i am glad to hear from you i am sorry to hear that that you said I am sorry to hear tha I am very glad to hear that you want to How happy I am ______ at school! A.\ B.to C.being D.to be I am happy( )hear that A lost chance never returns.I am very glad to hear that.I wi glad,I,hear,am,to,that怎么排 I am so glad to hear from you I am so glad to hear from you中文意思 i am so glad to hear form you 进行英英互译 I am very glad to hear trom you.