has a seat on the board of directors为什么用介词ON?

has a seat on the board of directors为什么用介词ON? the kid has a seat here. The man on the seat has left.RT 急 Excuse me,may i take a seat there?--------.The lady on the seat has left.Excuse me,may i take a seat there?--------.The lady on the seat has left.A No thanksB you'd better notC yes,pleaseD i'm afraid not为什么选C have please the sofa on seat a .连词组句 请连词成句 left,the,has,seat,man,the,on 英语翻译Thus when the system is in manual mode,the watchdog system orthe seat switch has no influence on the steering or loadercontrol systems.They can be manually operated as usualwithout any hindrance.The tractor has a hydrostatic transmission -Nancy sat in the front seat on the left side of the room.-Oh?I thought she ____ in the back.A sat B had sat C is sitting D has sitting 初中英语单词拼写、The seat-belts on the plane are a---The tape recorder needs two b---His father has been in prison three times a--- to our records please remain ___ until the plane has come to a complete stop(seat ). please remine____until the plane has come to a complete stopA to seat B seated C seating on the edge of my seat （1）picture is a there the on wall (2)is the my near seat door The price depends on the _____.[ ]A.customerB.quality C.seat D.number A man in the next seat begins to look for something on the floor under him 英语 (29 16:9:51)2.All passeengers         ,please fasten your seat belts and remain seated         the plane is landing.A.on board;until B.abroad;sinceC.on the bo what is the best way to get a seat on a hus A boy o____ his seat to me on the bus yesterday.What a good day