Going bike riding ____ ____ ____ ____fun than ____ at home 骑车出游肯定比待在家有乐趣

Going bike riding ____ ____ ____ ____fun than ____ at home 骑车出游肯定比待在家有乐趣

Going bike riding【is sure to have more】fun than 【staying】 at home

Going bike riding must be more fun than staying at home.