Maria likes documentaries ___ _ ___ cartoons, ______ she doesn’t like thrillers.

do you think of teaching, Bob— I find it andchallenging. It is a job youare doing something serious but interesting.

I am out of breath. I can’t go any further.— _________! I am sure you can make it.

The energy is ________ makes the cells able to do their work.

Interest is as______ to learning as the ability to understand, even more so.