A lot of praises have come from those _____ patients because they are getting better after taking the medicine.

However，at times this balance in nature is _______ resulting in a number of possibly unforeseen effects.

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

At times, worrying is a normal, ________ response to a difficult event or situation – a loved one being injured in an accident, for example.

Mary won in the_______ race last week.