Answer a. Think of the underline being a bookshelf and quotations as other pages.
Answer: The Moon appears to change shape because we see different amounts of the lit part as the Moon orbits Earth. When the Moon is between Earth and the Sun, the lit side is hidden from us. As it moves around Earth, more and more of the lit side comes into view. Then it begins to disappear again
Explanation:
1. Wait a minute, please. The concert is going to start soon.
3. OK. At 5 o’clock we will take you outside the shopping center.
4. They probably didn’t give me the job. I had a terrible interview.
5. I’m sorry about losing that book. I will buy you another one next week.
6. Can you call me when you get the news?
7. If it doesn’t rain tomorrow, we don’t have to bring our umbrellas.
