—I could believe my eyes when I came to Nanjing last year.—Yes. Great changes have taken place in the past few years.
It has been ten years _______I left my hometown.
How to ______this event is really a difficult problem.All the leaders are worried about it at the moment.
---Your sister doesn’t get up early, does she? ----_________.But she gets up late on weekends.
---A number of people_____killed by the terrorists at the Urumqi station. ----_____terrible it is!
As we know, England is ____European country and Singapore is ___Asian country.