1) C
A - them is unnecessary in this and you would need to add “his” in order for this to work
B- His is unnecessary, “both sisters are taller” is more proper sounding
D - “the two both his sisters are taller”, the two is unnecessary, and the is unnecessary, to make this work it would be “both his sisters are taller”
2) Im pretty sure it’s B but I’m not 100% sure
I think it is accent marks and re-spelling because they always have accent marks when they are trying to help you pronounce the word and they help you recognize what letters to pronounce how to pronounce them.
Simple Sentence: People can learn various things from different generations
Compound Sentence: People can learn how to become better at sports, even in simple life lessons.
Answer is in the attachment
