【評論主題】23. _____ your encouragement, I would have given up.(A) If not by (B) If it was not (C) Was it not w

【評論內容】與過去事實相反If + S + had + ☆.☆, ☆ ...

【評論主題】23. _____ your encouragement, I would have given up.(A) If not by (B) If it was not (C) Was it not w

【評論內容】與過去事實相反If + S + had + ☆.☆, ☆ ...