有新概念答案的进来我想问的是新概念2册第34课书后关键句型的练习a的那9道题

1 Dan Robinson has been worried all the week.
2 Dan was asked to call at the local police station.
3 Dan wondered why he was wanted by the police.
4 Dan was told at the station that his bicycle had been found.
5 Dan's bicycle was picked up in a small village four hundred miles away.
6 The bicycle is being sent to Dan's home.
7 Dan was surprised and amused when he heard the news.
8 Dan was amused because he never expected the bicycle to be found.
9 The bicycle was stolen twenty years ago.