Do you know about the company?和 Do you know the company?有什么不

What do you know about our company Do you know much about our company,department,team? Do you know the girl whose father owns a company?中间为啥要用whose do you know anything about the moon how do you know about the weather? Do you know anything about the what do you know about the sea? what do you know about the What else do you know about the ostrich?什么意思 do you know jinan global bearing trade company? YOU may know a man by the company he Do you know the boy___Tom?