Choose the right option observing the rules of English agreement:

1. Neither the stars nor the moon is/are visible.

2. The director and producer has/have signed the contract.

3. He is one of those who knows/know how to choose the best wine.

4. 35% per cent of my colleagues is/are under 35.

5. Your tactics is/are obvious, Peter!

6. More than one person is/are unhappy with your decision.

7. The party was/were asked to move towards the garden.

8. Every man, woman, and child in the city was/were there.

9. He wore a pair of earphones which was/were plugged into a tape-recorder.

10. The number of boys in his class is/are very small.