填空We were walking down the street when we heard a kid____(cry)for help?求教.填 cry 还是crying为什么?谢谢

问题描述:

填空We were walking down the street when we heard a kid____(cry)for help?求教.
填 cry 还是crying为什么?谢谢

crying,这句话的谓语是walk down,所以填cry是不对的,要填它的分词形式,而这里应该是正在进行时态,所以是crying

crying
hear sb. doing sth.听见某人在做什么
我们听到孩子在呼救,所以要用crying。

填crying, 表示听到小孩正在求救.
如果提案cry,则表示听到小孩求救过了,已经不在呼救了.