Unit 9,Self Check,A: Which is your favorite festival? B: A: Why do you like it? B: A: When is the festival? B: A: What food do you eat? B: A: How do you celebrate it? B:,A: Whats your favorite subject? B: My favorite subject is _,science,Look and say,A: Whats your favorite subject? B: My favorite subject is _,English,Look and say,A: Why does Bob like history? B: Because its interesting,Look and say,A: Why do Frank and Bob like P.E.? B: Because its fun,Look and say,A: Whos your musi