14. You may get tired of regular physical exercise, but it’s simply _____.
(A) a means to an end
(B) means to ends
(C) means to an end
(D) means to endings
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統計: A(129), B(27), C(39), D(8), E(0) #1619293
統計: A(129), B(27), C(39), D(8), E(0) #1619293