试题题干
It served Susan right. She（ ） have thought twice before posting her photos on her Blog.
参考答案
正确答案：
试题解析
It served sb right (for doing sth) ：咎由自取；罪有应得。should have done 表示与过去事实相反的情形，意思是“本来应该做了某事但实际没有做”。
句意：这是苏珊咎由自取的。她本应该三思后再在博客上贴照片。