窗口將在 5秒后自動關閉.
n.
同義參見:
以上來源於：《英漢大辭典》
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單選題
For many English learners in Taiwan, the only ______ to learning English well is that they don’t have an English-speaking environment in which to practice speaking English.
(A) obstacle
(B) slogan
(C) logo
(D) poverty
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