He developed amnesia after the accident.

The Ministry of Defense is responsible for national security.

His help was actually an unwelcome favour.

Recently, I've been troubled by an increase in nuisance calls.

His behavior is extremely annoying.

His behavior is extremely annoying.

My mailbox is full of spam.

A new policy was implemented by the executive order.

It's a five-minute walk from my house to the fire station.

Based on the Air Pollution Control Law, factories must strengthen the management of exhaust gases.