Diaoyu Island(岛) lies _____the northeast of China and Taiwan Island is ____the southeast of China. They are both parts of China.A. in; on B. on; in C. in; in
-What’s his brother? -He is a teacher. He__________ maths at a school.
-Help yourself to some more meat. -_______________.
-Do you need my help, Mary? -_____________.
-Hello, Jack. How are you doing? -__________.
-When was David born? -He was born ________ June 12, 1989.