複選題
29. _____ keeps him healthy and fit.
(A) He exercises regularly
(B) Exercising regularly
(C) To exercise regular
(D) Regular exercise
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統計: A(201), B(774), C(299), D(620), E(0) #2818045
統計: A(201), B(774), C(299), D(620), E(0) #2818045