Mr.Li often helps ------ with ------math.(they)(they)的适当形式
问题描述:
Mr.Li often helps ------ with ------math.(they)
(they)的适当形式
答
them
their
答
them动词后面接动词宾格
their所有格
答
Mr.Li often helps them with their math.
答
them 宾格
their 所有格