| A | B |
| Because JoAnna had the flu | she could not go to softball practice. |
| Maria's car had a dead battery | because she forgot to turn the lights off. |
| Brian put his foot out when I walked by | and as a result, I tripped and fell. |
| Chris got in trouble with Mrs. Bachmann | because he did not do his homwork last night. |
| Since Juan has been exercising every day, | he has lost 10 pounds. |
| Claudia did not make a grocery list, | therefore she forgot what she wanted to buy at the store. |
| Mark studied for his Science test, | so he earned a 100% on the test! |
| Powerful winds blew the roof off the house, | and as a result, the family had nowhere to live. |
| Since we ran out of milk, | we went to the grocery store. |
| People long ago used weapons, | because they needed to find food. |
| John missed the bus, | because he over slept. |
| Mrs. Ritta-Olson got a ticket for speeding, | due to driving over the speed limit. |
| The trip to the beach was cancelled | as a result of the bad weather. |
| The food in the refrigerator spoiled, | since the electricity went out. |
| Alligators almost became extinct | because people killed too many of them. |