Answer: I.asteroids II.comets III.meteoroids IV.planets
All of the above
Explanation:
Solar system is family of Sun. The planets an other celestial bodies, orbit around the Sun in elliptical orbit with Sun at one of the foci.
Solar system has 8 planets, asteroids that lie between orbits of Mars and Jupiter in asteroid belt, comets lie in Kuiper belt and Oort clouds and meteoroids that that is the debris of planets and comets.
All these objects orbit the Sun.