Read the text carefully and fill in the blanks with proper prepositions or adver

Readthe text carefully and fill in the blanks with proper prepositions or adverbs(仔细阅读课文，填写适当的介词或副词)

1.__________ that time __________ the Southern states, blacks were not treated__________ equal citizens.

2.He believed that he could achieve that goal __________peaceful actions, not__________ violence.

3.Freedom fighters can be found everywhere, and they are __________ all times.People struggled __________ the right to be free __________ their choice__________ which god to believe__________.

4.__________ modern times there are still organizations that fight __________racial discrimination and __________ equal rights.

5.__________ doing this, he set an example __________ the rest of the world.

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