Interactive grammar exercise (articles) from “Six Flying Dragons” Part 4

Jeong Do-jeon orders Yeon-hee to switch ______ letter forged by Lee In-gyeom with ______ letter that Ddang-sae left in ______ cave.
1. a / a / a
2. an / an / an
3. the / the / the
Lee In-gyeom is surprised when Yi Seong-gye appears in ______ assembly dressed as ______ government minister.
1. the / a
2. the / an
Gil Tae-mi begins searching for ______ assassin who killed Baek Yoon and threatened Hong In-bang.
1. a
2. an
3. the
Bang-won finally learns that Boon-yi is ______ spunky girl he met in Gaegyeong several years ago.
1. a
2. an
3. the
Ddang-sae learns that Yeon-hee is ______ spy and ______ double agent.
1. a / a
2. an / an
Rebuffed, Hong In-bang orders Jukryong to send ______ assassin against Jeong Do-jeon.
1. a
2. an
Ddang-sae learns from Yeon-hee that his sister Boon-yi is ______ dedicated follower of Jeong Do-jeon.
1. a
2. an
Before the assembly can vote on ______ impeachment, Hong In-bang proclaims that Elder Jo is involved in ______ treasonous plot.
1. the / a
2. the / an
Despite ______ flimsy evidence that Hong In-bang presents, ______ assembly orders Elder Jo’s arrest and interrogation.
1. a / a
2. an / an
3. the / the
Bang-won puts ______ box of gunpowder in ______ middle of ______ meeting place and then lights ______ fuse.
1. a / the / the / the
2. an / the / the / the