Read the text carefully and fill in the blanks with proper prepositions or adver
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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.The history __________ the South is the suffering __________ the nativeAmericans who were killed or driven __________ their land __________ European settlers,the pains __________ slaves brought __________ Africa __________ greedytraders.
2.Dr. King organized non-violent demonstrations aimed __________endingsegregation.
3.Dr. King’s efforts were not __________ vain. Segregation eventually disappeared.
4.Bison waste no longer fell __________ the ground to improve the soil, which__________ a result became less good __________ growing plants.
5.This __________ turn has an effect __________ the food supply __________wolves.
试题答案
答案：
解析：| 1. of; of; off; by; of; from; by 2. at 3. in 4. on; as; for 5. in; on; for
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