Modern English words man, woman, child, eat, fight, etc, originate from ______.
B
古英语可以追溯到公元5世纪中叶，当时说英语的盎格鲁一撒克逊人从北欧入侵了不列颠群岛。英语中绝大多数基本单词均来自古英语，比如man,woman,Child,house等。
Theothertimingsystembelongsinourinternalclocks，which，left________，wouldtiethebodytoa25-hourrhythm.
Thebasicunitinthestudyofmorphologyis______.
Thesetwoalarmclocksarenormallysettogether,butnowtheyhavebeenresetafewhours_________.
ThedivisionofEnglishintoOldEnglish,MiddleEnglish,andModernEnglishisnonconventionalandnotarbitrary.