Khoanh vào ý đúng

This morning, I found ___________ old book in my room. _________ book is about wildlife.
A. an/The    B. a/An    C. the/The        D. a/The
We live in ___________ small house. It is ___________ most beautiful house.
A.  a/the        B. the/a    C.  an/the         D. the/an