_______isafactthatEnglishisbeingacceptedasaninternationallanguage.
A、ThereD
為了保持句子的平衡，往往用先行詞 it 作形式主語或形式賓語，而把真正的主語或賓語放到后面，尤其是 that 引導的主語從句往往用先行詞 it 作形式主語。此句也可以改寫為： That English is being accepted as an international language is a fact.
_______isafactthatEnglishisbeingacceptedasaninternationallanguage.
Accordingtothe"principles-and-parameters"theory,"principles"refertohighlyabstractpropertiesofgrammarwhichareappliedtolanguageingeneralandwhichgeneratephrasesandatthesametimerestrainthepowerofMovea,while"parameters"allowgeneralprinciplestooperateincertainrestrictedways,accordingtowhichparticulargrammarsofnaturallanguagesvary.
Acompoundisthecombinationofonlytwowords.
Childrenhaveanatural________abouttheworldaroundthem.
Theengineer______myfatherworksisabout50yearsold.
