I guess I'd better tear up the letter and start over again.
我想我应该把信撕掉重新再写。
Do you often do work during the holidays?
你常常在假日期间做工作吗?
Of course he is. He's very successful. He's made lots of records. They broadcast a programme of his music last month on the radio. Why don't you come on Saturday? I think you'd enjoy it.