In that school, English is compulsory for all students, but French and Russia are ____ .

_______she is not so cheerful________she used to be?

—Ann, I am worried I’m getting fatter. What shall I do?—I think you should eat________ food and do more exercise.

. Many people think that it is ____________making such an experiment.

I’m not surprised that he became a writer. Even as a child he had a _____ imagination.