23. _____ you understand this rule, you’ll have no further difficulty.
(A) Hardly
(B) Scarcely
(C) Once
(D) Unless
(E) Not that

答案：登入後查看
統計： A(0), B(2), C(38), D(1), E(1) #1021244

詳解 (共 1 筆)

#4867106
一旦你理解了這個規則，你就不會再有任何困難了。
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