用戶【wewehothot】點評問題和點評內容

【評論主題】【題組】16 (A) provided for (B) taken in (C) stood up (D) called on

【評論內容】

called on 被號召

【評論主題】The question of how people learn a second language is one that has received a great deal of scientif

【評論內容】adult SL learners who sound like native speakers are extremely rare, perhaps even nonexistent.