j______: become a member of

根据英文解释，完成下面单词的拼写，使句意完整准确。每个单词第一个字母已给出。

j________ (become a member of)

It's not only, a chance but also a challenge for China to ________ the WTO.

1. d_ _ _ _　　　　    unclean

2. j_ _ _　　　　　　  become member of (club, army, etc.)

3. w_ _ _ _ _ _ _　　   at whatever time

4. r_ _ _ _ _ _　　　　  waste or worthless matter

5. c_ _ _ _ _ _　　　　 bring or come together; get from a number of people

6. h_ _ _　　　　　　 hurt, damage

7. l_ _ _ _ _　　　　   make (place) untidy by discarding rubbish

8. n_ _ _ _ _　　　　   close in position

9. w_ _ _ _ _ _ _　　   in or to whatever place, in every place that…

10. v_ _ _ _　　   　　go and see (somebody or some places)

根据英文解释或汉语，完成下列单词的拼写，使句意完整准确。单词第一个字母已给出。

j________(become a member of)

It's not only a chance but also a challenge for China to ________ the WTO.