1．The earthquake caused damage(损害)to property estimated at $6 billion.
2．I'm frightened(害怕)of walking home alone in the dark.
3．I sincerely hope this program will be successful and people here will benefit from it.
4．Make an outline(提纲)before you start writing.
5．A good cyclist(自行车骑手) can cover distances of over a hundred miles a day.
