将下列字母重新排列组成单词，完成句子。

1. Dave is his_______(u,n,c,o,i,s).    

2. Are_______(t,e,s,h,e) your pencils?    

3. This is my_______(m,t,h,o,r,e).    

4. That is a_______(p,h,t,o,o) of Paul's family.    

5. Dave is her_______(r,f,e,n,d,i).