—__________ T-shirt do you like better, the red one or the blue one?—I prefer the red one.

---       do you go bike riding with your father?   ---Once a week.

―Shall we have our house painted?―________I think it’s fine as it is.

—     do you surf the Internet?—Once a week.

The book was written in _______ easy English _______ even primary school students could understand it.