初二英语The sky is__our heads and the ground is__our feet.

初二英语The sky is__our heads and the ground is__our feet. The smoke from that foctory is__our air to a dangerous degre Without the friction between their feet and the ground,peopl above the ground under the sky and in this screen both feet on the ground? the sky is over our heads是什么意思 填介词“The sky is ( ) our heads." Keep your feet on the ground feet on the ground的意思 feet off the ground的意思 get my feet back on the ground keep your eyes on the stars and your feet on the ground.