14. A sports car goes faster than an ordinary car.
=> An ordinary car goes more slowly than a sports car.
15. He likes to listen to pop music than to watch TV after school.
=> He prefers listening to pop music to watching TV after school.
* Giải thích:
14. Cấu trúc so sánh hơn với tính từ: S1 + V + more/less + adj + than + S2
15. Cấu trúc câu mang nghĩa tương đương :
S + prefer + Ving to Ving = S + like + Ving than Ving