My study of biology has much of my spare time, but it has given me a great deal of enjoy

网友回答

A. taken off
B. taken down
(答案→)C. taken up
D. taken away
解析：take up 意为“开始(学习或从事等)，继续，占去，接纳，提出”；take off意为“脱下，起飞，打折，请假”；take away 意为“取走”；take down 意为“写下，拆下”。