Mr

问问Overcoat先生是否需要帮忙拿行李。

Ask ___Mr Overcoat if he needs help with the luggage.

请将这份文件交给约翰逊经理。

Please deliver this document to ___Mr Johnson, the manager.

这是我爸爸，李先生。

This is my dad, ___Mr Li.

我朋友的爸爸是戴维斯先生。

My friend's father is ___Mr Davis.