我知道代词用来引出被指代的事物时可以,如:This is my friend Tom. It is a lovely dog. 等这次又看到一句话:The writer tells us to keep it shut if the door of the room is warm.这句话中it指代的...
CNN新闻节选:ISIS was a violent group, known for murdering scores of people who didnt share its beliefs.And while it existed years before 2014, that was the year it took control of large part...