词汇与结构20题Directions:Choose the best word to complete each sentence.1)The school management encourages _ involvement in the running of the school.A. crucialB. principalC. identicalD. parental参考答案：1)D 收起答案2)Debbie is very _ to the plight of homeless people and always gets very emotional when she sees them on the street.A. sympatheticB. objectiveC. subjectiveD. indifferent参考答案：2)A 收起答案3)Certain types of birds often develop the
