我们在纪录片里看到了一条大白鲨。

We saw a great white ___shark in the documentary.

电影《大白鲨》讲述的是一条食人鲨的故事。

The movie 'Jaws' is about a man-eating ___shark.

导游警告我们这片海域常有鲨鱼出没。

The guide warned us that ___sharks are often seen in these waters.