他们是他的儿子They aren't his son怎么错了?

问题描述:

他们是他的儿子They aren't his son怎么错了?
一些花在教室的前面Some flowers in the front of the classroom这个呢?
第一个问题是他们不是他的儿子,我打错了,sorry。

they aren't his son..they指很多人,所以son应该是sons..
对的答案:they aren't his sons.
some flowers are in the front of the classroom.