ルール
Extra information that could be removed without changing the main meaning is set off by a matching pair of commas, dashes or parentheses. Do not mix them.
取り除いても主な意味が変わらない付加情報は、同じ種類のコンマ・ダッシュ・かっこの対で区切る。種類を混ぜない。
✔ 正しい文: The bridge—completed in 1932—is now a landmark.
✘ 誤った文: The bridge—completed in 1932, is now a landmark.
→ 直し方: Use two dashes or two commas, not one of each.
コツ: Delete the middle part. If the sentence still works, it needs matching punctuation on both sides.
練習:10問
Which choice completes the text so that it conforms to the conventions of Standard English?
AUSLEXが作成したオリジナルの解説と問題で、College Boardの公式資料ではありません。SATはCollege Boardの商標です。