121. --- Why do you go to the dancing hall three times a week? --- I’ve taken a(n) to dan

问题补充：

121. --- Why do you go to the dancing hall three times a week?

--- I’ve taken a(n) to dancing.

A. interest

B. hobby

C. fancy

D. Course

答案：

A. interest

B. hobby

C. fancy

D. Course

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