You need to have______if you want to teach the group of naughty children well.
Due to bad weather,the police had to__________the search for the missing boy.
——Recent years have________ rapid changes of my hometown. ——Yes, I could hardly recognize it when I arrived yesterday.
——The speaker got confused, and started _________ himself. ——No wonder no one believes what he said.
Affected by the earthquake happening in March, seven springs____________.
Usually a child’s behavior is a ________ of his family environment.