There are 50 stars on the national flag of the United States. They represent today's 50 States of the United States.
举一反三
- There are _____ states in the United States.
- There are ______ states in the United States. A: 49 B: 50 C: 51 D: 52
- The national flag of the United States is .
- The Constitution of the United States of America is the Supreme law of the United States.
- When the United States was founded there were ______ states. A: 50 B: 48 C: 13 D: 16