yesterday the boys ? hurried, hurries, hurrys, hurry,. down the passage to get to get examination room on time​

hurried

Explanation:

its in the past, which you can see with yesterday, so they cant be currently doing it. the only past tense of hurry is hurried

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.  

no because it could make the world a terrible place to live in.