1. How did you learn what plants would do well here? Ashley asked. Nancy replied, "By trial and .......... . I tried lots of different kinds; some died and the rest are what you see."

2. I don't think I'd buy an SUV right now if I were you. They have next to no trade-.......... value because of the price of gas now, Jeff said to Al.

3. In the long run, there seems to be no trade-.......... between unemployment and inflation, the Economics professor told her class.

4. Do you have all the camping gear packed in your backpack? Good. Let's .......... a trail! Ryan said to Alyssa as they started across the unmarked desert.

5. Let's try not to pack too much stuff. If we travel .......... . we'll have a much easier time walking to the hostel once we get off the plane, Jim said to Gavin.

6. Wow, walking up that hill was pretty .......... . I'm exhausted! Luke exclaimed to Jenny.

7. I figure if we help Jim replace his hardwood flooring, we'll pick up some of the tricks of the .......... . and then we'll know how to do easier and faster, Kyle confided to Hannah.

8. The guy in the training department keeps trying to .......... me up, and I don't know why. He gives me ambiguous information and then laughs when I do it the wrong way, Jeff told Holly.

9. I'm not sure Ben's a good choice for the management position. He's too trigger .......... . If someone proposes a course of action, he implements it without thinking about the consequences, Jim said to his co-worker.

10. Did you hear the crazy things that guy was saying? He's pretty .......... out. He must be on drugs, John whispered to Francis.