阿摩線上測驗
10. Some people think that of the four language skills, _____, listening, speaking,
reading, and writing, writing is the most difficult to master.
(A) namely
(B) for instance
(C) by definition
(D) accordingly
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統計： A(14), B(4), C(2), D(3), E(0) #2860662
統計： A(14), B(4), C(2), D(3), E(0) #2860662