The boy is standing at the corner,He__(wait)for the bus. He __(wa_英语解答

The boy is standing at the corner,He__(wait)for the bus. He __(wait)for the bus for half an hour.

人气：497 ℃　时间：2019-12-17 07:22:45

解答

第一个空填is waiting,表示他正在等公车,用现在进行时.
第二个空填has been waiting,表示他已经等了半小时了,而且这个动作还在继续,用现在完成进行时.