He thinks it his duty to help the sick.
问题描述:
He thinks it his duty to help the sick.
我个人认为要加IS,可是好多人说可以不加,是不是真的可以不加呀?
请问Aug_Ge加与不加在句子意思上有不同吗?
答
不对,应该是He thinks that it is his duty to help the sick.