I - Underline the correct words to complete each of the following sentences. (Gạch chân vào từ động để hoàn thành các câu sau.) E.g.: Today is the four/ fourth of July. 1. I have dinner at seven/ seventh o'clock. 2. Rome was founded in the eight/ eighth century BC. 3. Michael is ten/ tenth years old. 4. This cake costs only two/ second dollars. 5. It takes twenty/ twentieth minutes to get from my house to my school by bike. 6. It's the five/ fifth day of our holiday in London. 7. Our apartment is on the three/ third floor. 8. This machine was invented in the nineteen/ nineteenth century. 9. Brazil won the World Cup for the four/ fourth time in 1994. 10. My grandfather's birthday is on the twenty-two/ twenty-second of August. n duge.