Japan has to employ an increasing number of overseas workers because there is no easy solution to its labor _____.

　　 A. decline    B. rarity    C. vacancy    D. shortage

Japan has to employ an increasing number of overseas workers because there is no easy solution to its labor _____.

A. decline    B. rarity    C. vacancy    D. shortage

Japan has to employ an increasing number of overseas workers because there is no easy solution to its labor _____.

1. A.
   decline
2. B.
   rarity
3. C.
   vacancy
4. D.
   shortage

 Japan has to employ an increasing number of overseas workers because there is no easy solution to its labor _____.

　　 A. decline    B. rarity    C. vacancy    D. shortage

Japan has to employ an increasing number of overseas workers because there is no easy solution to its labor _____.

A. decline    B. rarity    C. vacancy    D. shortage