The old couple have been married for 40 years and never once _________ with each other.
| A．they had quarreled | B．they have quarreled |
| C．have they quarreled | D．had they quarreled |
Due to bad weather，the police had to__________the search for the missing boy.
| A．resign | B．abandon | C．conduct | D．release |
——Recent years have________ rapid changes of my hometown.
——Yes, I could hardly recognize it when I arrived yesterday.
| A．watched | B．contributed | C．made | D．witnessed |
——The speaker got confused, and started _________ himself.
——No wonder no one believes what he said.
| A．contrasting | B．comparing | C．proving | D．contradicting |
Affected by the earthquake happening in March, seven springs____________.
| A．dried up | B．dried out | C．dried off | D．dried away |
Usually a child’s behavior is a ________ of his family environment.
| A．recognition | B．reflection | C．return | D．record |