Laura's attempt at trying to use an English idiom reveals that she is eager to try English phrases and expressions.
She says "There's no use trying to drink spilt milk," and even though her use of the idiom is incorrect (it should be - there's no use crying over spilt milk), she still really wants to try and better her English speaking skills, which is always quite commendable.
Answer:
Try your best. Research. Have fun. :)
I'm not sure, I'd go for hushed in awe or your answer
I believe it is dry because of the word desert and deserts are dry. Acrid also means in the dictionary bitter or harsh.
What Wiesel means is that it would be a crime to forget. By forgetting the actions of the Nazis, we are contributing to the pain caused. If we forget we are letting the Nazis get away with what they did without facing any consequences