2 . A comprehensive study _________ (report) that of the nearly 3,000 cyclist-motorist crashes that occurred between 2000 and 2010, about 20 percent were hit-and-runs. （所给词的适当形式填空）

3 . 实际上，根据有关报道说，长期以来，很多沿海城市和港口受到重工业所产生的化学物品和其他有害物质的污染。(report   v) (汉译英)

4 . The team is reported to have won the game.
→ _________ the team has won the game. (同义句转换)

5 . 报告正在由一个最好的学生写着。（be being done）（汉译英）

6 . When you come to my house tomorrow，________.
明天你来我家时，我将在写报告。