Singapore has one of the world’s best ________________.
举一反三
- Venezuela, a country located in north of ( ), once has been one of the world's largest exporters of oil and has the world's largest ( ).
- Which country has one of the world’s oldest established newspaper industries?
- Melville is best known as the author of one book named ______, which is ，critics have agreed, one of the world’s greatest masterpieces.
- Nowadays, Singapore has one of the largest populations of overseas Indians.
- Bill Gates has made a name for himself as one of the world’s top philanthropists with the Bill and Melinda Gates Foundations.