correct answer的用法和樣例：
例句
- It didn't take the children long to figure out the correct answer.
孩子們沒有花很多時間就算出了正確的答案。 - He had been puzzling all day for the answer to the last clue in the crossword and was about to tear his hair out when his wife told him the correct answer.
他整整一天都在為能解答縱橫填字的最後一個迷而苦思，就在他幾乎已是集躁不安的時候，他妻子告訴他正確的答案。 - Ring the correct answer with your pencil.
用鉛筆圈出正確的答案。
