- 藍∮玲Lv 710 years agoFavorite Answer
[preposition] use this to say that something starts at a particular time
and stops at a later time
E.g.: from May to September/from 9 am to 5 pm etc
from ... until
also from ... till ... use this to say that something starts
happening at one time or event and continues until another time or event
E.g.: I have a class Monday from five o'clock till eight o'clock at
[generally used with a perfect tense in the main clause]from a
particular time or event in the past until the present, or in that
period of time.
We've been waiting here since two o'clock
The factory has been here since the 1970s.
2010-06-04 00:31:07 補充：
From the classical period to the romantic period and even 20th century, Piano Sonata is one of the creative music tunes which have always been persistently authored by composers of various music styles.
現代音樂，也称現代古典音樂（20th century classical music)
Persistently : [adv] 持續