Unit 3（）Text A. VocabularyFill in the blank in the following sentence with one of these words and change the form if necessary. (anathema, obsession, indulge, provocative, spark, harness, virtual, propel, fickle, generate)15. Hurricanes are （） beasts, the

Unit 3（）Text A. VocabularyFill in the blank in the following sentence with one of these words and change the form if necessary. (anathema, obsession, indulge, provocative, spark, harness, virtual, propel, fickle, generate)15. Hurricanes are （） beasts, their projected paths never certain, their total destruction sometimes not known for days.
正确答案：fickle