In ancient times, dogs were mainly ______helping people hunt( 打猎) .Now they are more useful-they can help the blinds, search for the bad eggs.A.bad forB.used toC.used forD.good at
Look at this photo of my family. There are six people in my family. This woman is my mother. She is nice and looks so young.She is a policewoman(女警察). She works in a police station(警察局). S