2 the
3 a
1.I see the plane in the sky.
2. A lot of factories polute our atmosphere.
3. Sun is the biggest star in our galaxy.
4. People went to the moon in the 20th century.
2 the
3 a
1.I see the plane in the sky.
2. A lot of factories polute our atmosphere.
3. Sun is the biggest star in our galaxy.
4. People went to the moon in the 20th century.