Read the excerpt from the hot zone.

jerry was terribly keyed up. in the past he had lectured nancy on the dangers of working with ebola in a space suit, and now he was leading a team into an ebola hell. at the moment, he didn't care what happened to himself, personally. he was expendable, and he knew it.

based on context clues, what is the best definition of the word "expendable”?
a) necessary to an operation
b) knowledgeable about a topic
c) capable of being sacrificed
d) useless in a specific situation

answer: d.she abandons people when they least expect it.

in the monk's tale, we encounter seventeen stories that relate historical events. all of these stories have tragic commonalities. they tell the stories of heroes who, despite their success in life, all met sad ends. the monk blames these sad outcomes on fortune. one of fortune's traits is that she abandons people when they least expect it. this is one of the most common themes of medieval tragedies.

the word that best matches the meaning of the expression "went to the big ocean" is died.

the goldfish died, which is why the father looks at the children mournfully. the "big ocean" is the father's way of saying fish heaven. he could have just said that the goldfish died, but this way, the children imagine the fish in a bigger, better place instead of just picturing a dead fish.

explanation: