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.