Phân tích cấu tạo của từng tiếng trong hai câu dưới đây

Khôn ngoan đối đáp người ngoài

Gà cùng một mẹ chớ hoài đá nhau

Choose the letter A, B, C or D to complete the passage below

My bedroom is ___________ (6) the second floor. It is not exactly a large room ___________ (7) it is spacious enough to become my private world. ___________ (8) is a fully-furnished room with a single bed on the left and a wardrobe on the right corner. And there is ___________ (9) wood table with a shelf that contains many interesting books and is decorated with lots of souvenirs and birthday gifts. With two small windows on the two sides of the room, I use bright color tone for the wall ___________ (10) my bedroom airier and warmer. My bedroom- a small room but unintentionally becomes a vital piece in my whole life.

A. at

B. on

C. to

D. of