Look the boy over there is your new classmate.Let’s go and say hello to.A. him B.

问题补充：

--- Look, the boy over there is your new classmate.

--- Let’s go and say hello to.

A. him B. them C. her

答案：

解析：him他，指代单数男性；them他们，指代复数；her她，指代单数女性，她的。这三个单词都可以当做人称代词宾格。句意：看，那边的新来的男孩是你们的新同学。——让我们过去问候他一下吧。结合语境可知下文人称代词指的上文提到的男孩，故选A。