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

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

.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

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

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

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

A. sold; have been sold  B. sold; had sold out C. sell; sell out     D. are sold; have been sold out

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

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