—What did you say to your sister? I saw her crying in the room.— It _________ my fault. I just said hello to her when I met her, nothing else.
Tom is good at physics and likes playing basketball. __________ his elder sister.
We may __________ our past experience to develop new technology.
His health is in bad condition, and __________ he is able to work no longer.
This book __________ 18 articles, __________ three written by my father.
Beauty is in the eye of the watcher and the same is true __________ both the appreciation of art and music.