I have some ________for lunch.

-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. 

Of the seven days in a week, Saturday is said to be the most popular _______ for a wedding in some countries.

My sister likes         music

- Do you have any______? -Yes, I like chess and drama best.