I was listening to the music____there was a knock at the doo

I was listening to the music____there was a knock at the doo I was listening to music___________there was a knock on the i was about to go to bed()I heard a knock at the door 改错1.Is your watch made from gold?2.A knock at the door was i he was listening to the radio at nine last night i was listening to the radio when the telephone rang There was a knock at the door.It was the second time someone He was sleeping when there was a loud knock at the door.[对sl there was a knock on the door. He was about to go to bed ____ there was a knock on the door John fell asleep_________he was listening to the music.A whi I was listening to the radio; s____ a man ran in