格林先生用英文怎么表达？

　　Good morning. Good morning, Mr. Green.

　　早上好。早上好，格林先生。

　　Mr. Green holds two books in his hand.

　　格林先生手里拿着两本书。

　　This is Mr. Green and this is Mr. Brown.

　　这是格林先生，这是布郎先生。

　　Mr. Green drives more carefully than Mr. Brown.

　　格林先生开车比布朗先生谨慎。