—Hello! May I speak to Jack, please?— A. I’m Jack. B. Is that Jack? C. This is Jack.
This umbrella is____that one,but____than that one.
--- ________? --- He’s friendly and helpful.
I choose __________a story at our class meeting next Monday.
It is getting cold. It’s ________ colder today than it was yesterday.
What honest boy! And he is best student of all.