题目

题型：不详难度：来源：

The new dictionaries are very useful. They ________ well and ________ already .

A．sell; have been sold out

B．sold; had sold out

C．sell; sell out

D．are sold; have been sold out

答案

　A　

解析

“动词＋副词（well，easily，quickly等）”中的动词不必用被动式，这类动词有read，wash，sell，open，shut，clean，bum，pull，draw等。