亲爱的张先生用英文怎么表达？

　　He worked as an assistant to one Mr Ming.

　　他给一位明先生当助手。

　　Mr Green is out of town this week.

　　格林先生本周到外地去了。

　　Mr Chen opened the car door for his wife.

　　陈先生为妻子打开车门。

　　Do you have any comment, Mr President?

　　总统先生，您有何评论？

　　Was any check made on Mr Morris when he applied for the post?

　　莫里斯先生申请这个职位时对他进行调查了吗？