1) →Some years back young people did not pay as much attention to traditional festivals as they do nowadays.

2) →They have never experienced the wonderful feeling in space before.

3) →I suggest young children should be taught to care for the environment.

4) →It is compulsory for drivers and passengers to fasten the seat belt when traveling in cars.

1. Some years back young people paid less attention to traditional festivals than they do nowadays.  

2. They have never experienced the wonderful feeling in space.

3. I suggest young children should be taught to care for the environment.

4. It is compulsory for drivers and passengers to fasten the seat bell when traveling in cars.

- $Answered_{}$ $by_{}$ $thieukhue_{}$ -