题目内容：

根据句意和首字母，写出所缺的单词。（共5小题；每小题1分，满分5分）

1.It is normal that anybody will c________ mistakes.

2.He has the special quality that proves he is a p________ player rather than an amateur.

3.After the chairman d________ the result, the whole class got mad.

4.The r________ dogs made great contributions to finding the people buried under the ruins.

5.If you doubt about the arrangement, you’d better make a phone call to c________ it.