—Don t be so naughty! Be your _____.—Got it.
Stress can be extremely damaging to your health. Exercise, __________, can reduce its effects.
In the meantime, the question facing business is whether such research is ______ the costs.
Lily would rather I _______ her at the airport yesterday, but I was then busy with a meeting.
I insisted _______ to see a doctor, but he insisted nothing _______ wrong with him.
The UN is the international organization which _______ all countries to settle any conflicts between two countries.