题目

注重发明和创新是中华民族的优秀品质，北宋时期，发明活字印刷术的人是(    ) A．李春             B．蔡伦             C．张衡            D．毕昇 答案：D(用所给单词的适当形式填空)If it ______(rain)，my father _____ _____(take)me to school in his car．