Question

(d) asked the emperor/was/Marco Polo/to/serve
(e) Mongolian/therefore/speak/he/learned/to/fluent
(f) twenty three years/his travels/by/later/an account/was/written/of/Marco Polo​

Answer 1

Answer:

D. Marco polo was asked the emperor to serve

E. Therefore he learned to speak Mongolian fluent

F. I dont know:'(

Answer 2

Explanation:

Marco Polo was the emperor to serve