As we know, water is very important _______ us.A. of B. to C. on
--Who is the girl ______ long hair and big eyes? -- Oh, it’s our new classmate, Betty.
Everyone in my family ________ a present at the Spring Festival.
---- What are you _____, Tom? ----- I’m ________ TV programs.
Kate and I _____ doing ______ homework now.
Listen! Someone _____ songs.