16. What is the central idea of the text? O A Students do not develop the motivation they need.
OB Paying students for grades may not help students learn.
OC Paying students for grades prepares students for the working world.
OD Students are less willing to take challenging classes when paid for
grades.

#1  sara was always tasked with selecting birthday presents for her friends and family because everyone admired her  impeccable taste. 

impeccable (adj): perfect, flawless

#2  they moved to the united states many years ago, but their  insular  attitudes made it difficult for them to socialize. 

insular (adj): isolated; separate

#3  the professor explained the  semantic  relationship between the two nouns used in the sentence. 

semantic (adj): related to words or the meanings of words 

happy to : )

constantly changes their schedule.

always on phone a lot more than normal.

they bound logs together and built a raft. enkidu steered it down the great river. gilgamesh carried humbaba's head.

okay so where are the word that i need to use?