根据首字母提示及英文释义补全单词
1.p___ (a state of feeling or being happy)
2.w___ (very good or enjoyable)
3.r___ (a spoken or written description of sth.with information that sb.needs)
4.i___ (to form a picture in your mind of what sth,might be like)
5.f___ (very interesting and attractive)