The children have been studying for the test
Not one fish did the campers catch although they fished all day
You have to state what stresses you out most in life. For Example, Peer Pressure. Then you have to tell one way you can calm down when your stressed like meditating.
To find the theme, you look for the main idea or topic.
Emeralds are very beautiful and quite expansive. which means one of two things they are a high demand or they are hard to get