Pull out the important pieces and look throughly and picked the right answer
I hope this helps !
Search in Google
................................
Answer:
a. beautifully
b. don't
c. on
d. could
e. has written
f. doing
g. on
h. Marie Curie is the woman who discovered radium
The answer is quarrel
have a "competition" doesnt make sense
have a "remedy" also doesnt make sense
have a "dialouge" is also bad
have a "quarrel" makes sense and fits the context.