Complete the sentences?

Complete the sentences. Use the past perfect simple or the past perfect continuous. A. The ground was wet because it had been raining (rain). B. When the bus finally arrived, I ___________ (wait) for over half an hour. C. Jane __________ (change) so much that I hardly recognized her. D. Matthe’w hands were covered in oil. He _____________ (mend) his bike. E. They ___________ (know) each other for six years when they got married, But they _________ only ________ (go) out for a year. F. Their hands were freezing. They __________ (make) snowmen. G. Tom _________ (play) the piano for three years when he took the exam.