下列各句中，没有语病的一句是（ ）

Ladies and gentlemen，please return to your seat and fasten your safety belt. Our plane_________.

Most of us know we should cut down on fat, but knowing such things isn’t much help when it ________ shopping and eating. [ ]

earnt both business and history, but she knows________of them well, thoughshe can speak on subjects in general.

Could you tell me ______ yesterday–I’m sorry, boss, My car was broken on my way here.