阿摩線上測驗
1 Visitors of the national park should _____ falling rocks on the road and trails, especially after heavy rains, typhoons and earthquakes.
(A) be engaged in
(B) be afflicted by
(C) count on
(D) beware of
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統計： A(1), B(5), C(3), D(32), E(0) #3412366
統計： A(1), B(5), C(3), D(32), E(0) #3412366
