Fill in the blanks with the correct options from the bracket:
1. The planet ……… is the brightest object in the sky after the sun and the moon. (Earth, Venus, Jupiter)
2. The planet ………. is the closest to the sun. (Earth, Mars, Mercury)
3. The planet ………. is the farthest from the sun. (Mars, Earth, Neptune)
4. The ………. is the earth’s only permanent satellite. (Moon, Sun, Pole star)
5. ……….. is the only planet in the solar system known to harbour life. (Earth, Mars, Venus)