________volcanoes now for many years, I am still as enthusiastic about my job as the first day I first______.
A.Studied, started | B.Have studied, started |
C.Having studied, started | D.Having studied, starting |
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________volcanoes now for many years, I am still as enthusiastic about my job as the first day I first______.
A.Studied, started | B.Have studied, started |
C.Having studied, started | D.Having studied, starting |