He said that the group ________ him a letter and asked him to go there for an interview.
A、havewrittenB
“写信给他”应该发生在他说话之前，也就是过去的过去，用过去完成时。
Thebasicunitinthestudyofmorphologyis______.
Ifpaymentisnotreceived,legalactionwillbeouronly________.
Hesaidthatthegroup________himaletterandaskedhimtogothereforaninterview.
Linguistscanconcentrateonalltheaspectsoflanguageatonce.
Werefertothelimitedrangeofsoundsasthephonicmediumoflanguageandindividualsoundswithinthatrangeas______.
