The plane is flying___the clouds.A.above B.through为什么选A选B也没错啊

what is the plane?tyr look the plane is so() The train is than the plane.(slow) The plane is flying _______ the cloud the plane is close什么the clouds the plane is moving down the runway. is,in,plane,the,there,sky,a 翻译：The plane is leaving for Shanghai. the plane is flying（ ）our heads The white model plane is hers this is the plane of british (a ) The train is slower than the plane 同意改写 The train travels___ ____ than the plane The plane is flying above the roofs of the sky The white model plane is hers.划线提问（The white model plane划线） The plane is flying above the bridge.哪里错了? a plane is flying above the ___of the city.(roof) the plane is flying above the___ (roof) of the city 'the plane is over the cloud'为什么不对?