letter的語法

1、Start a new file and put this letter in it.建立一個新檔案，把這封信放進去。

2、What construction do you put on this letter?你對這封信如何理解

3、I've never been a great one for writing letters.我向來不喜歡寫信。

4、Your letter was very welcome. 很高興收到你的信。