2. Teachers don't/doesn't work on Saturdays
3. Students don't/doesn't have the same schedule everyday.
4. The lady don't/doesn't work in an office.
5. A child do/does chores everyday to help his parents.
1. An astronaut on the International Space Station don’t/doesn’t have a lot of free time.
jawaban:
1. An astronaut on the International Space Station doesn't have a lot of free time.
2. Teachers don't work on Saturdays.
3. Students don't have the same schedule everyday.
4. The lady doesn't work in an office.
5. A child does chores everyday to help his parents.
penjelasan:
i/you/they/we — using don't
he/she/it — using doesn't
semoga membantu! cmiiw :))