:67 54 46 35 27 ()
A.13 B.15 C.18 D.20
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67 54 46 35 29 ()A.13 B.15 C.18 D.20
:67,54,46,35,29,()。A.13 B.15 C.18 D.20
67,54,46,35,29,()。 A.13B.15C.18D.20
67,54,46,35,29, () A.13 B.15 C.18 D.20
67,54,46,35,29,() A.13 B.15 C.18 D.20