The other timing system belongs in our internal clocks，which，left ________，would tie the body to a 25-hour rhythm.

Weather_______,we’llgooutforawalk.

ThedivisionofEnglishintoOldEnglish,MiddleEnglish,andModernEnglishisnonconventionalandnotarbitrary.

Theoldcouplehavebeenmarriedfor40yearsandneveronce_______witheachother.

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