阿摩線上測驗
48. The word “they” in the last 3rd line of the second paragraph refers to ________.
(A) cockroaches
(B) dragonflies
(C) insects
(D) mosquitoes
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統計： A(4), B(38), C(8), D(4), E(0) #2127464
統計： A(4), B(38), C(8), D(4), E(0) #2127464
