Inourdepartment,everystudent_________after-schoolactivities.
It_______fortwohoursnow
Traditionallinguistsbelievethatthewrittenformoflanguageis______tothespokenform.
Thesyntacticrulesofanylanguageare______innumber.
Accordingtothe"principles-and-parameters"theory,"principles"refertohighlyabstractpropertiesofgrammarwhichareappliedtolanguageingeneralandwhichgeneratephrasesandatthesametimerestrainthepowerofMovea,while"parameters"allowgeneralprinciplestooperateincertainrestrictedways,accordingtowhichparticulargrammarsofnaturallanguagesvary.