单句改错(每句均有一处错误)。
( ) 1. I have bought the bike for half a year.
( ) 2. This long river runs across my village.
( ) 3. We have written these reports since nine hours this morning.
( ) 4. This is very nice of you to say so, Many thanks.
( ) 5. People all over of China got to know the good news.
