1, City life in the 21st century is thought to offer people a lot of advantages.

2, You needn’t go so much trouble on my behalf.

3, If it hadn’t been for her patience and loyalty, she would have left the company.

4, No sooner had the announcement of a pay rise been made than the workers started jumping for joy.

5, There was such a rapid improvement in his condition that he was discharged from the hospital early.

6, The woman reminds me of someone else that I used to know.

7, Enormous efforts have been made by scientists in the world to find a cure for this infectious disease.

8, The more qualifications you amass, the more successful in the academic field you are.

9, No matter how high his salary is, the young men gave up his job to purse his own interests.

10, It was the become extinct of many species that make people aware of the damage to the environment.