Answer the question
C Upon/On N/Ving, S+V （前後主詞相同）
Q:
A put : There be N…Ving/p.p.
Q:
B had expected 過去完成式
Q:
A: Not knowing 分詞構句的否定 在前面加上Not
Q:
D invented (分詞構句，被動）
Q:
A Having finished 主動分詞構句
Q:
B shelter sb from… 庇護某人遠離⋯
Q:
D with 附帶情況（主動Ving 被動p.p.)
Q:
A released
Q:
D it is believed that…
Q:
C containing = which contains
Q:
A be used to Vr…
Q:
C
Q:
C
Q:
A
Q:
C
