---What's your favorite color?

---_______

A. It think so　　 B. It is my favorite　　 C. red

I have ____lunch at twelve.

A. a　　　　 B. the　　　　 C. /

-- What time do you have lunch every day?

-- I has lunch at _____.

A. seve o'clock　　 B. twelve o'clock　　 C. half past six

--What's the time, Grandpa?

--It's ______.

A. two o'clock　　 B. three o'clock　　 C. five o'clock