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）
小题1:It is normal that anybody will c________ mistakes.
小题2:He has the special quality that proves he is a p________ player rather than an amateur.
小题3:After the chairman d________ the result, the whole class got mad.
小题4:The r________ dogs made great contributions to finding the people buried under the ruins.
小题5:If you doubt about the arrangement, you’d better make a phone call to c________ it.