C uses a formal tone, but adresses the conflict at hand.
Heart is important more affective
Answer:
If it (snowing) this weekend, we (are going) skiing near lake tahoe
Answer:
competitive can also be ambitious
famous could also be acclaimed
other options:
SS
also : to set aside or cause to be set aside as void, useless, or obsolete, usually in favor of something mentioned; make obsolete: They superseded the old statute with a new one. to succeed to the position, function, office, etc., of; supplant.