Co-operation or teamwork, the importance of which is often ________, plays an important part in football matches.
The teacher as well as 6 girls and 8 boys from her class ________visiting a museum when the earthquake struck the city.
Studies show that people are more ________ to suffer from back problems if they always sit before computer screens for many hours.
To be honest, these documents ________ to the public.
When he walked through the gate, no one noticed he was using an ________ permit.
My computer began to return to the ________ running state after I killed the virus.