Jim and I ___________ know her family name.A. am not B. aren't C. don’t
Why did she get so mad? It was only a joke.
—The stuntman is planning to walk on the wings of a flying plane.—What?! I've never heard of idea before.
The governments should the use of new types of energy to make a greener world.
—I think we need to sit down and have a talk.—I agree more. Let's take the bench over there.
It's really you not to tell your parents about the problems. Do you think you can solve them on your own?