The form cannot be signed by anyone ______yourself

___ either he or I to host TalentShow in our school this year— I have no idea, either

What shall human beings do if oil_______sometime in the future?

If you don’t need the clock any more， you can _____ either to a charity or to a friend.

Many wage earners in big cities find they may only have enough to ____ their houses, cars and other costs of living and have little extra money to invest.