Who invented Anguildgu? ( sundial)
Jang Yeongsil did.
Aesop did.
Who wrote the book?
draw
drew
you/ ?/Sunshin/ Did/ say/ Yi
Did you say Yi Sinshin?
What do you think?
Great Job!
Who made geobukseon? (turtle ship)
Yi Sunsin did.
(Gustave) Eiffel did.
Who built the tower?
build
built
the/ wrote/ Aesop/ who/ did/ book?
How often do you brush your teeth?
Who built the tower?
(Gustave) Eiffel did.
Who drew the picture?
invent
invented
say/did/Yeongsil/I/Yes/Did/you/ Jang/ ?
Did you say Jang Yeongsil did? Yes, I did.
(donkey) x is _____ than y
(dragon)
Who is....?
Dragon is bigger than Donkey.
Donkey is smaller than Dragon.
Dragon is faster than Donkey.
Dragon is heavier than Donkey.
Who drew the picture? 
Sin Saimdang did.
Yi Susin did.
Who made geobukseon? (turtle ship)
make
made
robot/Who/nara/made/did/ the/ ?
Who made the robot? Nara did.

How often do you eat breakfast?
I eat breakfast five times a week.
Who wrote the book?
Aesop did.
Jang Yeongsil did.
Who invented Angbuilgu? (sundial)
write
wrote
invented/Who/Brothers/did/airplane/ Wright/ The / ?/ the
Who invented the airplane? The Wright Brothers did.

I think its...
Expensive/ Interesting