volcanoes now for many years, I am still amazed at their beauty as well as their potential to cause great damage.
A. Studied
B. To study
C. Having studied
D. Studying
volcanoes now for many years, I am still amazed at their beauty as well as their potenti
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解决时间 2021-12-28 03:25
- 提问者网友：夢醒日落
- 2021-12-27 21:19
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- 五星知识达人网友：神的生死簿
- 2021-12-27 22:59
A. StudiedB. To study(答案→)C. Having studiedD. Studying解析：句意：已经研究火山爆发这多年了，我仍然惊奇它们的美丽和它们引起大的威力的潜力。因为整个句子已经有谓语动词，所以空格处应该用非谓语动词，因为for many years说明study的动作先于谓语动词的动作发生，故用完成时，故选C。
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- 1楼网友：纵马山川剑自提
- 2021-12-27 23:34
谢谢了
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