1. My son's birthday present was a drop in the .......... compared to how much his tuition, car, and books cost.

2. The increasing cost of electricity is a drop in the .......... compared to some of our other business costs and is nothing to worry about.

3. "I couldn't find a job for weeks, and then all of a sudden the perfect job dropped into my ..........," Kari said to Liz.

4. The men in the army formation were starting to drop like .......... in the Texas summer heat.

5. It had been a while since she had called her best friend, so she vowed to drop her a .......... as soon as she got off work.

6. He tried handing the summons to the man at the door, but the man at the door dropped it like it was a hot

7. She hoped that it would rain soon. They had had a dry .......... for too long, and she was getting worried about the possibility of a forest fire.

8. Oh, that assignment is duck ..........! I thought you were going to give me something difficult to do today, boss, Adam said.

9. I wasn't sure how well Brian was going to do in college, but he's taken to it like a duck to .........., Brian's father told his relatives.

10. I am not ready to present the proposal yet. I want to double-check everything to make sure all my ducks are in a .......... first.