Viết lại câu sau sao cho nghĩa ko đổi :

a, Peter plays for the school badminton team

=> Peter is a member of the school's badminton team

b , Collecting old coins from foreign cuontries is one of George 's interests

=> George is a collector of old coins from abroad, which is George's profit

c, Our grandparents visited HaLong Bay last summer

=>Our grandparents paid for a Hạ Long Bay's trip lát summer