12. Aside from ________ biking, I often spent a lot of time reading as a teenager.
(A) went
(B) going
(C) rode
(D) riding
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統計: A(270), B(749), C(156), D(394), E(0) #2082165
統計: A(270), B(749), C(156), D(394), E(0) #2082165