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正确答案A
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正确答案A