Scientists will have to come_______ new methods of increasing the world’s food supply.
We____finish it ahead of time, though it was such a tough task.
There are ___to show that a new, different city is coming out of its dark past.
___is known, John studies in ___ is considered the best school in the city.
Mary felt herself ___ to take action to defend herself.
---Are you ___ with doing a lot of homework every day? ---Sometimes I am. But as a student, we have to do so at present.