Alice ___watches the news round-up, so she knows little about the world.

—What do you think of the report about the air pollution on TV last night?—I think the situation is so        that we should take action to protect the environment.

 -- Did you find the small village yesterday? -- Yes, without any difficulty, for it has ______ changed over years.

 I know she is very ______ . Look! The smile(微笑) is on her face.

-- Dad, it’s such a long way from our home to the park! -- You mean it’s ______ to take a taxi?