Look at those ________. They are _______

-You look so worried, what’s wrong?  -More and more people like me begin to worry about the ______ pollution after the haze (雾霾) appeared in Beijing and some other cities in China. 

----What language(语言) can you speak?----______.

We’re Kate’s ________.I’m her mother’s brother. He is her father’s brother.

— Where are you going, Li Lei?                          — I’m going to the ______ to see a movie.