问题补充：
This kink of milk well . It out soon.
A. is sold, sells
B. sells; is sold
C. is sold, will be sold
D. sells, will be sold
答案：
A. is sold, sells
B. sells; is sold
C. is sold, will be sold
(答案→)D. sells, will be sold
解析：sell没有被动语态，而sell out 有被动语态，故选D
