--I hear this kind of CD-ROM is very popular.--Let’s buy one before it .A. is come outB. c

发布时间：2020-08-21 06:25:15

--I hear this kind of CD-ROM is very popular.
--Let’s buy one before it     .
A. is e out
B. es out
C. sells out
D. is sold out

网友回答

A. is e out
B. es out
C. sells out
(答案→)D. is sold out
解析：本题考查动词短语。sell out卖光，不用被动语态。
以上问题属网友观点，不代表本站立场，仅供参考！