—Bob feels really sorry, Jean.
— ______ I wouldn’t accept his excuses unless he takes back what he said.

---Haven’t seen you for ages! Do you still work in Guangzhou?
---______. It’s two years since I worked there.

After the exam, my teacher told me that failure ____ the mother of success.

Our teacher said to us that the earth _________ around the sun.

Only when we failed ________ the importance of study.

— Did you know any Chinese before you arrived in Beijing?
— Never ________ it, actually.

         , I believe, and you will find the boy is very outgoing．

____ St Paul’s Cathedral built after the terrible fire of London in 1666. It looked splendid when first _____!

In the north of our town _______, which dates back to the Ming Dynasty.

Only when the firefighters put off the fire       what great damage it caused.