1.His twin brother is not good at running.
His twin brother doesn't shine at running.
2.Are you good at maths?Yes.Would you please help me with it?
3.Su Yang and Su Hai are twins.Making kites is not in their line.
Look!Their kite is not as beautiful as ours.
Su Yang and Su Hai are twins.They are not good at making kites.
Look!Their kite is not as beautiful as ours.
4.Is your cousin good at swimming?