—Listen! There is a knock on the door. Who _____ it be?—It must be Jack. Just now I sent for him.
It was necessary to _____ the factory building as the company was doing more and more business.
We can't _____ one to change the habits of a lifetime in a short time.
. On turning the corner, we saw the road _____ steeply.
American women were _____ the right to vote until 1920 after many years of hard struggle.
Roses are quite _____ flowers in English gardens.