A.) Fill in “was, were, am, is, are” or their negative forms. (15 pts.)   1.Rita:___________ you at work yesterday? John: No, I___________ . 2.I___________ sixteen years old now, so I____________ fifteen last year. 3.There___________ many people at the party. Only five. 4.There___________ many cars at the car park today, but there_____________ a lot of