The number of hours in a day is common knowledge and does not need to be cited.
举一反三
- Well-known sayings and facts that are common knowledge also need referencing.
- How many hours a day does George spend every day studying in college?
- How long does an astronaut need to practice in the water to prepare for a two-hour spacewalk? A: ten hours B: twenty hours C: thirty hours D: hundreds of hours
- A common skill in English-Chinese translation is to add conjunction because the Chinese conjunctions often go in pairs. Which of the following English conjunctions does not need addition in its Chinese equivalent? </p> </p>
- Every day Mother spends two hours ______ housework. A: to do B: doing C: does