Proper approach and method is required for alleviation and reduction of poverty.
Talking more than required can be harmful.
Self-discipline is required in every field.
Most of the things are not so important that they cannot wait or be altered if required.
Folic acid is required for the normal production of RBCs.
The quality wheat is required in big quantity.
How much time is required to prepare for GRE?
What are the documents required for passport?
The company required young engineers.
It required great skill.