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hasspenthislifetimestudyingactivevolcanoesstudying在本句中是动名词还是现在分词做宾补?

题目详情
has spent his lifetime studying active volcanoes
studying在本句中是动名词还是现在分词做宾补?
▼优质解答
答案和解析
现在分词做宾补!
his lifetime 为spent的宾语,
studying active volcanoes为宾补,表示伴随.