Accordingtothe"principles-and-parameters"theory,"principles"refertohighlyabstractpropertiesofgrammarwhichareappliedtolanguageingeneralandwhichgeneratephrasesandatthesametimerestrainthepowerofMovea,while"parameters"allowgeneralprinciplestooperateincertainrestrictedways,accordingtowhichparticulargrammarsofnaturallanguagesvary.

_______forthefreeticket,Iwouldnothavegonetoseefilmsooften.

We ________ go out to restaurants, but mostly we eat at home.

Lying under the skull, the human brain contains an average of ten billion nerve cells called ______.

Johnsonwas________unknownbeforerunningforthepresidency.