根据所给字母组成正确的单词填空。
1. Mary is my __________. (s, t, r, e, i, s)
2. Li Ming is a __________. (y, o, b)
3. Li Ming is Mr. Li's __________. (o, s, n)
4. Jenny is Mr. Smith's __________. (h, d, u, a, g, t, e, r)
5. Tom is my __________. (t, r, b, h, o, r, e)
6. My __________ is a bus driver. (r, f, e, h, a, t)
7. My __________ is a doctor. (m, t, h, r, e, o)
8. I'm a __________. (l, g, r, i)