__________ came to see you yesterday. —Who was __________?

I phoned you at 5:00 yesterday afternoon, but nobody answered me.-Sorry. I ______ the flowers in the garden at that time.

Most of the young people enjoy ______ Jay Chou’s songs.

Listen! Kate is playing the piano in the next room. –It _______________be Kate. She has gone to Hangzhou to visit the Cross-sea Bridge.

The doctors said that there was ___ wrong with Jane’s legs, but they could do ___ to help her.