阿摩線上測驗
15 The temperature has______so low that the mountain is blanketed with snow.
(A) dipped
(B) hiked
(C) slipped
(D) increased
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統計： A(22), B(3), C(31), D(9), E(0) #2654261
統計： A(22), B(3), C(31), D(9), E(0) #2654261
