“我已收到你的来信”“当我听到这个消息时我十分高兴”“我非常欢迎你来到中国”，这几句话怎样翻译？

"I have received your letter.
I was very happy to hear the news.
welcome to (come to) China.

"I have received your letter."
"When I heard the news, I was very happy."
"I am very glad to welcome you to China."

1. I've received your letter.
2. I was happy to hear this news.
3. I'm very glad to welcome you to China.

I have recieved your letter
I am glad to hear it
Welcome to China

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