48 What do “these things” refer to in the passage?
(A)Storms.
(B)Deserts.
(C)Meteors.
(D)Grasshoppers.
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統計: A(219), B(56), C(63), D(527), E(0) #2814203
統計: A(219), B(56), C(63), D(527), E(0) #2814203