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?

Today we will remember them when we see planes ____in the skyA、fly B、flying 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 they s____to fly much faster than planes on the earth the noise is t--------when the planes took off 看见飞机在天上飞是fly 还是flyingsee planes ( )in the sky We drive planes to fly in air to the beautiful future. 开飞机的英语是fly plane还是fly planes? the children like watching planes fly through the air 中为什么同时出现了like和fly两个动词?详细些,谢谢了. 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 阅读理解 这道题选A还是B 原因?What is the sky?Where is it?How high is?What is above it?These questions are hard to answer,aren’t they? Is the sky blue? The sky has no colour.We know that there is air around the world.When planes fly,they 看下英语句子用什么从句The sound of planes could be heard outside the city of Tangshan even when no planes were in the sky 英语求助Has it been announced when the planes are to take off求句子成分分析 The sound of planes could be heard outside Tangshang even when no planes were in the sky 这句子是什 英语翻译Germs(细菌)are everywhere．You can't see them,but they are on your desk,on your computer,and even in the air!　　Like people,germs move around the world．They fly with us on planes．When food,clothes,and other things travel around How does sally feel when ()fly in the sky Who wants to learn how to fly planes? The sound of planes could be heard outside the city of Tangshan even when no planes were in the sky.这句话中有什么知识点,even是什么成分,when引导的是什么从句,或是其他的