The main benefit of a constantly changing language is that it allows us to ___. A. revise the context of little-known words
B. express concerns over proper usage
C. choose words that express precise meanings
D. understand words that were used long ago

Which statement best summarizes this excerpt from leo tolstoy's the death of ivan ilyich? and in imagination he began to recall the best moments of his pleasant life. but strange to say none of those best moments of his pleasant life now seemed at all what they had then seemed—none of them except the first recollections of childhood. there, in childhood, there had been something really pleasant with which it would be possible to live if it could return. but the child who had experienced that happiness existed no longer, it was like a reminiscence of somebody else.

Which claim does the sentence "teach english and play with children in local orphanages by day and enjoy the sights and new friends by night" support?

Dogs make wonderful pets because they us stay happy and healthy. the topic sentence is "dogs make wonderful pets." , is this correct? i keep doubting myself.