当你介绍朋友给别人认识,应该说________.A. I'm Mike.B. This is Li Lei.C. He's Li Ming.
---How often does Dick exercise? --- ____________.
It’s too late. Let us ________ there.
---___________ English classes do you have every week? --- Five.
Please ______ sweets in bed, Tom. It’s a bad habit.
My father _______ goes to work by car because he doesn’t have a car.