The new dictionaries are very useful.They ___well and ___already.
问题描述：
The new dictionaries are very useful.They ___well and ___already.
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
为什么不是B
答
sell是一个特殊的谓语,sell是“卖”的意思,有及物动词和不及物动词两种用法 1）及物动词时主动语态是sb sell sth,某人卖某物被动语态就是sth be sold by sb ,某物别某人卖2)不及物动词时常用sth sell well表示某物卖...