题目

He didn't tell his parents he was going home because he wanted to give them a ____. A．joy                B．surprise                 C．shock              D．happiness 答案：BAn international treaty(条约)on tobacco　　 tobacoo campanies to make public all the substances they use to make cigarettes has been now in effect. A、calling up　　 B、calling on　　 C、calling in　　 D、calling for