On each plane there are twice as many engines as the plane needs.请解释此句的语法及词组

On each plane there are twice as many engines as the plane needs.请解释此句的语法及词组 there's 30 people on that plane这里是there are 还是there is? How are they going to Hangzhou They are going there（ ）A·on plane B·take a plane C·in plane D·by plane Did you go to Shanghai by( )plane?No,Iwent there on( )train.A./;a B./;/ plane,we,by,went there,holiday,on,our.连词成句 is the paper on top tree the of plane a there there is no mixed plane layer on boardThere is no mixed plane layer on board or it has not assigned net on a plane,by plane ,by on the plane还是in the plane How wiill you go to Shanghai?----I'll _________.A.take plane B.by plane C.on air D.fly there There are trees on either side of the river与There are trees on each side of the river区别 选择.There are many trees on _sides of the road.A.bOth B.every C.each D.each of both和each选择什么There are some different stores on _____ side of the road.选择each还是both There is a plane at 9:30 and one at 12:00.___plane will get you to Paris为什么这用either,不用each There is a plane at 9:30 and one at 12:00.___plane will get you to Paris A.EitherA.Either B.Both C.Every D.Each on plane与on the plane的区别 On board the plane there are over two hundred passengers,about one third of whom were forigners.是complex吗? There are some flowers on () side of the road.A.each B.every C.both