Hi ,Lucy ._____ (They These) are my parents .答案是These,They怎么不行?

问题描述:

Hi ,Lucy ._____ (They These) are my parents .答案是These,They怎么不行?
我想应该是和介绍第三方有关吧,介绍这个是lucy一般都说This is Lucy .而不是She is Lucy.

用they 不行
只能用these.
正如你所推断,在当面介绍时,只能用this is 或者 these are