the planes,planes,a plane,the plane,plane那些能表示飞机的总称?

the planes,planes,a plane,the plane,plane那些能表示飞机的总称? Has it been announced ——?A.when are the planes to take offB.that are the plans to take offC.where are the planes to take offD.when the planes ate to take off a pilot flies planes什么意思, m.i.a-paper planes 歌词 I saw many planes in the sky 对(many planes)划线部分提问 the planes had been planting seed for a month为什么这里seed 是单数 they had to change the planes ,() they A hadn't B didn't C did All the planes are ___from the sudden cold wave.(protect) the noise is t--------when the planes took off The planes ___nearly a month to plant the seed.(a)did (b)made (c)took (d)had When the planes fly low ＿the land . A. over B.thWhen the planes fly low ＿the land .A. over B.through C. across D. above 选哪个.为什么? The planes fly low __the land .用什么介词呀 Would you like____ ____to the _____with us _____rocket and planes? Jim’s dream is to ( )飞 planes in the future. 请问Mosquitoes beaded on the planes of his they s____to fly much faster than planes on the earth how many planes是什么意思 翻译一下gauge planes