1. No sooner did the bell rung than the students quieted down. (did改为had)
2. Hardly had he reached the platform than the train began to move. (than改为when)
3. It was at the railway station where I met Li Ming yesterday. (where改为that)
4. Not until I came here I realize this place was famous, for not only its beauty but also its weather. (here后面加did)
5. Surprised although I was, I tried to keep calm. (although改为as/though)
6. There are a pear and five apples on the plate. (are改为is)
7. In front of the temple stands two stone lions. (stands改为stand)
8. Mary was born in China. So did her brother. (did改为was)
9. On the ground lies some air conditioners, which are to be shipped to some other cities. (lies改为lie)
