41, In order to protecting the environment, we should use less plastic bags.

In order to protect the environment, we should use fewer plastic bags.

42, Advertisements play an important role in modern business.

Advertising plays an increasingly important role in modern business.

43, Many children were addicted to play computer game.

Many young children are addicted to playing computer games

44, Sitting in front of the computer for a long time is one of the reasons caused the disease.

Sitting in front of the computer for a long time is one of the reasons causing the disease.

45, A number of teenagers who have committed crimes are increasing.

The number of teenagers who have committed crimes is increasing.

46, It is clearly that the birth rate will continue to rise sharp in the future.

It is clear that the birth rate will continue to increase sharply in the future.

47, Governments should provide financial support for education and healthcare.