The professor stressed the new medicine would _______ shorten the treatment period from the current days to a minimum of four days.

Do you often help your brother with his English—No. He learns English by ________.

Success in life doesn’t happen . It’s the result of devoting your time and energy to what you’ve set out to do.

They were very________when they heard the________news that he would come back in two days.

After a few days together, they got to the point _______ they could read each other’s thought.