China _______________a high-speed railway network covering almost all its cities with a population of of more than 500,000 by 2015.
Lots of people ___ in that flood.
His mother was in hospital. He asked for ___ to look after his mother.
The new railway ___ this village ___ that one.
--Do you mind my sitting here?--____.
——Are you through with your homework? ——Well, ____.