Interactive grammar exercise (subject-verb agreement) from “Six Flying Dragons” Part 1

Lee In–gyeom died 15 days ago, and it’s his nephew Ha Ryun who ______ the song among the children.
1. has been spreading
2. have been spreading
Bang-won ______ with the research, but he ______ by Cho-young’s warriors.
1. runs off / is captured
2. run off / are captured
Boon-yi ______ Bang-won.
1. rescues
2. rescue
As General Jo’s servant ______ to alert the army, Yeon-hee ______ him.
1. goes / follows
2. go / follow
Gil Seon-mi ______ that Bang-ji and Boon-yi ______ the children of the former court lady Yeon-hyang.
1. finds out / are
2. find out / is
Moo-hyul learns by chance about the sordid event that ______ Yeon-hee and Bang-ji’s lives.
1. has scarred
2. have scarred
In Dohwa Mansion, assassins ______ in secret rooms for the order to kill Yi Syeong-gye and his men.
1. wait
2. waits
At the cave, Jo Joon ______ to Jeong Do-jeon his utter disappointment that the original land reform plan ______ set aside.
1. expresses / has been
2. express / have been
But Moo-hyul soon ______ that Bang-ji ______ become extremely agitated.
1. notices / has
2. notice / have
A savage fight ______ all over Dohwa Mansion.
1. erupts
2. erupt