The underlined part in the sentence “I have many good books.” is a/an________. 

I’m not sure about the meaning of the word. You’d better look it up in a ____ ．

This is Jim and this is Tom. __ my __

 Look !This is_____room.

--Mr Lee，could you give me some advice on how to write an application letter?---With pleasure. Remember the letter should be written in the formal _____.