一道英语填空题~thanks

问题描述:

一道英语填空题~thanks
__ my surprise, Liu Mingyue didn't sleep until 2 o'clock last night. No wonder she looks so sleepy today!填入介词
还有这句话什么意思啊

To
让我惊讶的是,刘明月昨晚直到两点才睡,难怪她今天看上去这么困!