A number of ...... police officers were walking down the street. You could tell they were policemen just by looking at their clothes and caps.

The state of ...... at our schools reached a new level when the Minister of Education announced that all science books had to come from one and the same publisher.

The customer service assistants are ...... polite and well-behaved in all our branches.

The teachers in our district ...... follow the same methodology at every school.

There were several ...... police officers lurking in front of the suspect's house. They didn't want to be recognised so they were wearing casual clothes, dark glasses and baseball caps.