English Puzzle and riddles

I. Who knows more? 1. Which is bigger, the Earth or the Moon? (The Earth) 2. Which has the most calories a banana or an orange? (An orange) 3. What happens at the end of the story "Cinderella?"( happy end) 4. Which newspaper does Queen Elizabeth read? (Time) 5. Who used the 1st magnetic compass? (Chinese) 6. Who is the most popular hero of English ballads? (Robin Hood) 7. The main parts of GB are? (England) 8. The head of the UK? (Queen) 9. What is the largest river in England?(Thames)  

II. Grammar 1. What are the names of main 3 tenses?(present,past,furure) 2. What is the singular of the word "people"?( person)