Johnson was ________ unknown before running for the presidency.
D
A显然，明显地B外表上，直观地C垂直地，直立地D实际上，事实上
Countrylifeisbetterthancitylife________itoffersfreshairandnoiselessenvironment
Idon’tmind_______thedecisionaslongasitisnottoolate.
Accordingtothe"principles-and-parameters"theory,"principles"refertohighlyabstractpropertiesofgrammarwhichareappliedtolanguageingeneralandwhichgeneratephrasesandatthesametimerestrainthepowerofMovea,while"parameters"allowgeneralprinciplestooperateincertainrestrictedways,accordingtowhichparticulargrammarsofnaturallanguagesvary.