一、根据句意和汉语提示写出单词

1.Mr.Lee was 　　　　　　　(任命)as headmaster at the beginning of the school year. 

答案:appointed

2.He 　　　　　　(挥手) happily to his companion. 

答案:waved

3.The high official explained 　　　　　　　(完全地) clearly what had happened to the reporters from all over the world. 

答案:absolutely

4.We should encourage all the children to develop their 　　　　　　(潜在的) abilities. 

答案:potential

5.The 　　　　　　(实际的) cause of the quake is the breaking of rocks at or below the earth’s surface. 

答案:actual