拼写

6)

1. Millenium
2. Millinianm
3. Millennium
4. Millannium

7)

1. 层级结构
2. Hiererchy
3. Hiararchy
4. Hiererrchy

8)

1. Occasion
2. Occassion
3. Ocassion
4. Occasioan

9)

1. 担保
2. Gurantee
3. Gurrantee
4. Guarentee

10)

1. Enterpreneur
2. Entrepraneur
3. Entrepreneur
4. Entrepreneuar