I heard a boy at the corner. So I went up to him and wanted to help him.
- A.crying
- B.cries
- C.to cry
- D.cried
答案
正确答案:A
知识点:实义动词用法

hear sb. doing sth.意思为“听到某人正在做某事”。此题句意为:我听到一个男孩正在拐角处哭,因此我走上去想帮助他。”故选A。

略
