Compared with his sister, Jerry is even more_______ to, and more easily troubled by , emotional and relationship problems.

It was not until dark ________ he found ________ he though was the correct way to solve the problem.

The success of a government should be measured ____ the health and happiness of the people as well as the development of the economy

rl seldom, if _____, turned to herbrother for protection.

Tom kept quiet about the accident _____lose the job.