Theengineer______myfatherworksisabout50yearsold.
A、towhomD
with whom 引导定语从句 .with whom 放在从句中即为 :my father works with the engineer
_______isafactthatEnglishisbeingacceptedasaninternationallanguage.
Accordingtothe"principles-and-parameters"theory,"principles"refertohighlyabstractpropertiesofgrammarwhichareappliedtolanguageingeneralandwhichgeneratephrasesandatthesametimerestrainthepowerofMovea,while"parameters"allowgeneralprinciplestooperateincertainrestrictedways,accordingtowhichparticulargrammarsofnaturallanguagesvary.
Linguistscanconcentrateonalltheaspectsoflanguageatonce.
Researchfindingshaveshownthatlanguageprocessingcentersaresituatedinasingleareaofthelefthemisphere.
Childrenhaveanatural________abouttheworldaroundthem.
