Parents множественное число, поэтому were
A. 1.Have you been running? 2. What are you doing here? 3. He has been doing... 4. ...where are you going. We are painting... 5. The children have been washing... 6. I`ve been trying... 7. Why aren`t you talking... Have you been quarreling again? 8.She is smiling 9. She has been typing...10. I have been cooking ... I`m cooking it...
B. 1. He is looking...I have been meeting... 2. ...I have been studying...Now I`m reading...3. ...you are looking for...//he has been workong... 4. How long have you been staying... 5. She is talkig to...She has been driving... 6. you are doing...We have been doing...7. A girl is waiting...How long has she been waiting?
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