Ping-pong is _____ interesting sport．_____ sport is very popular in our school．

A．an, a                B．an, The            C．a, The            D．the, The

Mr Brown is our English teacher at school. He is a popular teacher and I like him very much.
There are many other foreign teachers in our school. Some are from English-speaking countries and some from Asian countries. I like Mr Brown best. He is a very interesting teacher and he teaches us very well.
Mr Brown comes from Australia. Though he is the oldest teacher of our school. he is very strong. All the students like him very much. During his class, no one sleeps. After class, he often tells jokes to us or does sports with us.
Mr Brown likes music very much. We learn a lot of English songs from him. He is also fond of sports. He takes exercises at least three times a week. He is good at swimming, so you know why he looks so strong.
【小题1】 Where is Mr Brown from?