459 When going through rough roads,
(A)hold on to the handlebar tightly to keep the motorcycle going straight
(B)slow down and get ready to stop at
anytime
(C)all of the above.
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統計: A(0), B(0), C(1), D(0), E(0) #2216096
統計: A(0), B(0), C(1), D(0), E(0) #2216096