A ball, which is full either hot air or light gas, can fly the sky.——青夏教育精英家教网—

摘要： A ball, which is full either hot air or light gas, can fly the sky.

网址：http://m.1010jiajiao.com/timu3_id_3033218[举报]

A ball, which is full 　　 either hot air or light gas, can fly 　　 the sky.

介词、副词填空

A ball, which is full 　　 either hot air or light gas, can fly 　　 the sky.

试题分类