怎么分辨木板好坏:The post office has thousands of letters. A thief(小偷) is afraid of four letters. What are they?

The post office has thousands of letters. A thief(小偷) is afraid of four letters. What are they? The post office has thousands of letters.A thief is afraid of four letters.What are they? The post office is()your left The nearest post office is _______Street. The hospital is opposite to the post office. Did you have any trouble __(find)the post office. where is the post office?(改为同义句) I hurried to the post office , __ it was closed 用适当的介词填空The post office is ( ? )the old library. 翻译:my home is near the post office.和the fifth floor,room5A