The ball is ____the bed ,and the broom is ____the door .SO you can'tsee them .填介词
问题描述:
The ball is ____the bed ,and the broom is ____the door .SO you can'tsee them .填介词
答
under在。。。下面,behind在。。。后面
答
in , behind
答
【under】在床下
【behind】在门后
所以看不见.