It even leaves the scientists in _______what they should call the newly born creature, which looks half-human and half-animal.

My brother has been preparing carefully for the English exam, so that he can be sure of passing it at his first _______

If we keep wasting so much energy, ________ are that our oil wells will dry up and the environment will be destroyed.

It has been ten years since the Labour Party came into ____ in that country. 

Office _______ is just something that he plays at; the one thing that really interests him is golf.