_______isafactthatEnglishisbeingacceptedasaninternationallanguage.
A、ThereD
为了保持句子的平衡，往往用先行词 it 作形式主语或形式宾语，而把真正的主语或宾语放到后面，尤其是 that 引导的主语从句往往用先行词 it 作形式主语。此句也可以改写为： That English is being accepted as an international language is a fact.
Ifyouarewalkingawayfromaclocktower，youwillhearthetickingoftheclockfadetoapoint________itcannotbeheard.
The other timing system belongs in our internal clocks，which，left ________，would tie the body to a 25-hour rhythm.
Fromthesociolinguisticperspective,aspeechvarietyisnomorethanadialectalvarietyofalanguage.
Theoldcouplehavebeenmarriedfor40yearsandneveronce_______witheachother.
Thesyntacticrulesofanylanguageare______innumber.
