问题
选择题
The newly-designed iPhone 4S on the market____________ well now. Get one before it __________out in the shop.
A．sells, is sold
B．sells, sells
C．is sold, is sold
D．is sold, sells
答案
答案：A
sell,本身不用被动语态，用主动语态的结构表示被动语态的意思，而sell out 表示卖光了，他有被动语态，故选A