He has a strong sense of patriotism.

The environmental issues are becoming more serious.

Environmental issues are becoming more serious day by day.

Moderate exercise and a balanced diet are important for maintaining the health of the respiratory system.

He is devising a strategy against the enemy nation.

She emphasized the importance of self-determination.

My dream is to enter a national university.

He is studying the history of the republic.

We traveled via the highway.

My company is expanding its business both domestically and internationally.