高中英语单项选择题

选 to ；
be familiar to sb = be well known to sb = （某事）为某人所熟悉，如：The facts are familiar to the police. = 这些事实为警方所详细了解；
be familiar with sth = be well known with sth = （某人）对某事很熟悉，如：The police are familiar with the facts = 警方对这些事实非常了解；
原句的意思是：这个小偷我看着有点面熟，可就是想不起来是在哪儿看见他的（where I have seen him 应该为 where I saw him ）。

选to

那个贼我看起来我点面熟，但我实在想不起在哪见过他

familiar to 是指后者对前者的熟悉
如：Pandar is familiar to us.我们熟悉熊猫

familiar with 是指前者对后者的熟悉
如你所说：The class teacher is usually familiar with his students 老师很熟悉他的学生
两个短语正好是相反地关系。

to

familiar to 面熟