English translation, which pair of students' homework is the student's homework or the student's homework?

The English translation of students' homework should be their homework.

Usage of:

1, indicating the specified person or thing.

2. People or things that both parties know or understand.

3. Mention someone or something for the second time. The indefinite article is used for the first time and the definite article is used for the second time.

4. Used before the unique nouns in the world.

5. Used before nouns to indicate direction and orientation.

6. Used before superlative adjectives.

7. Used before ordinal number, etc.

8. Used before musical instrument nouns to indicate performance.

9. The names used in rivers, oceans, lakes, islands and mountains are unprecedented.

10 is used before proper nouns such as country name, organization and class. Consists of common nouns and other words.

1 1, used before some adjectives, indicates a class of people or things or abstract concepts.

12, used before the plural form of surname, indicates that the whole family or couples share the same surname.

13, used before the noun indicating the unit of calculation, means "every, every".

14, used before the noun of human body parts or clothes mentioned above.

15, used before every tenth of the plural, indicates age and also refers to a person's approximate age.