Translate the following sentences into English, using the word or phrase given in the brackets.

1.他对那所学校的前途忧心仲仲。（concern）

2.她是那些女孩中唯一昨天缺席会议的人。（absent）

3.你多年的努力迟早会得到成功的回报。（reward）

4.随着生活条件的改善，老百姓拥有私人汽车不再是梦想。 (With…)

5.我们已经形成规律，每隔一周召开一次班会交流学习经验。 (…it…)

St. Louis has replaced Camden, New Jersey ______ the most dangerous US city, according to a study based on FBI crime data which was released Monday.

   — Are you pleased with what he has done?

— It couldn’t be ________. He must have put a lot of effort into his work.

It is unfair that such a nice person like Jane ______ lose her job. She works so hard!

At the age when many people ______ their first job, the youngsters of The Sunday Times Rich List are buying country estates or jetting off to their homes overseas.

It was for a lifetime of unselfish work among the sick natives ______ the old doctor deserved to be honored.

Mr. Crossett was made __________ his experiment because of his poor health and old age.

Researchers claim to have found the first proof _______ getting a regular eight hours a night really does make you appear healthier and more attractive.

Newton is known as a gifted scientist with very human weaknesses who stood at the point in history _______ magic ended and science began.

________ a child begins school, he enters a world of vicious competition where success and failure are clearly defined and measured.