1. The sea level is rising when the temperature of the atmosphere heats up and melts a lot of ice. 2. A marine biologist is preparing to re-diving. 3. It had arranged a tour of the research station. 4. Global warming is very dangerous for humanity. 5. There are different types of animals in nature reserves. 6. Mom's looking for new notebooks for her son. 7. The parents looked up the information about the new school. 8. Cars go around the store every day. 9. Tom went to the bed after watching his series. 10. The student flipped through a few pages in the textbook.
What did you do before you got here?
Will you stay here while you wait for me?