A.

1. I am studying for my exams.
2. She is cooking dinner for her family.
3. The baby is crying loudly.
4. They are playing soccer in the park.
5. The dog is barking at the mailman.
6. We are planning our next vacation.
7. The sun is shining brightly.
8. The wind is blowing strongly.
9. The birds are chirping loudly.
10. The cars are honking in the traffic.

B.

1. Water freezes at 0°C.
2. The Earth orbits the sun.
3. Plants produce oxygen through photosynthesis.
4. Humans need water to survive.
5. The capital of France is Paris.

C.

1. She reads a book every night before bed.
2. They work hard to achieve their goals.
3. I exercise every morning to stay fit.
4. He studies for his exams every day.
5. We visit our grandparents every weekend.