B. Fill in the blanks using the verbs in parentheses at the end. In each sentence, use one of the verbs in the simple past tense and the other in the past progressive tense. Write your answers on the space provided. 7. Carla about her birthday when the doorbell (think, ring) 8. While she the door, her pet dog, Mosino, (open, bark) 9. Her classmate, Lorna, came to give her a birthday present. Lorna said, “I my Science project when I your birthday. Happy birthday!” (make, remember) 10. Surprised but delighted, Carla replied, “Oh, thanks, Lorna. But my birthday will be on is Friday. In fact, I to call you when you