I am so happy to receive your letter regularly.Keep writing.Try to write little long letter.的意要精确

i am so happy to learn i am so happy to learn I am so happy I am so happy. I am so happy to hear from you.的意思 how to live happy life.i am so alone? you are happy,so I am happy, I am happy to do it!I'd love to do so!I am irritating you!. I am so happy. 改为感叹句 You seem to be happy.（ ） That's because I passed my English testA、So I doB、So do IC、So am ID、So I am I am very happy because of you.so I want to say I am very happy because of you.so I want to say You are happy,so I am happy,too 什么意思 连词成句I,to,happy,my,friend,see,again,old,so,am 连词成句：I ,see,again,you,am,happy,to,so I am so happy to see them again?的规律是什么 I am very happy to meet so many n___ friends here see/so/agian/to/them/I/happy/am 连词成句