8．What did the students do after they watched the dolphin show?

  They did their best to_____________．

任务三：同义句型转换。

7．How long did it take them to get to the zoo by school bus?

  It took them__________．

6．Why did they go to the zoo?

Because it was part of their _____________．

4．他于1974年出生于一个贫穷家庭。

3．李明比我擅长游泳。

2．他们正在去往海滩度假的途中。

1．我乘地铁去北海公园。

8．I was busy the day before yesterday．(同义句转换)

I ___________ a ___________ day the day before yesterday．

7．There’s a glass of milk on the table．(改为复数句)

There___________    ___________ of milk on the table．