2014年5月11日我国多地可观测到“火星合月”的天文现象,火星是太阳系中的一颗( )
A:恒星
B:行星
C:卫星
D:彗星
He helps me with English, and I help him with Chinese .
Tourists were feasting their eyes on the ocean scenery and suddenly they spotted an Iceberg (冰山)f____at a distance.