1.The director invites both the governor and the professor to be actors.　　　

　 导演请总督和教授两人当演员．

2.The inspector seized the impostor who pretended to be a visitor of the emperor's.　

　　警官逮住了冒充皇帝贵宾的骗子．

3.Both the monitor and the conductor took the doctor for the tailor.　　　　　　　　　　　　　　　　　　　

　　班长和列车员都把医生误认为裁缝师．

4.The mayor invited the sailor and author to breakfast together.

   　市长邀请那位海员和作家共进早餐．