6. The math problem is so _______ that I can’t figure out the answer by myself.
(A) attractive
(B) harmful
(C) complicated
(D) ordinary
詳解 (共 3 筆)
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單字題 The math proble...
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The math problem is ...
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complicated複雜的;麻煩的;費...
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The math(數學) proble...