1- (could be at..)/(have to take..)
2- (cant..) (mustn’t could work if ur in the Uk I think)
3- (had to sit..)
4- (what)
5- they all work, but since its not a question, u can use (should, or must,) but since Im guessing ur not in the uk, its best if u use (should)
6- I think its (has to be..)
I hope I helped! :))
Answer:
The phrase "whose selfishness had not hesitated to buy its own peace at the price, perhaps, of the existence of the whole human race" best supports the the that humans posses the ability to be monstrous. The phrase shows how humans are only thinking of what they want and need and not about how their voices affect the people and things around them.
Sandy didn’t read sodas letter and the letter he had sent after she moved it got returned.