---It’s so hot. Why not ______ swimming?---It’s a good idea. Let’s go.
-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.