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

    A. taken off               B. taken down           C. taken up                D. taken away

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閱讀下面對話,掌握其大意,并根據(jù)所給首字母的提示,在標有題號的右邊橫線上寫出一個英語單詞完整、正確形式，使對話通順。

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