There is a mistake in the following sentences.Underline the mistake and write the correct word on the line.
1. Do you know the reason of his sadness?
Proofing reading
2010-02-09 8:51 pm
回答 (2)
2010-02-09 10:00 pm
✔ 最佳答案
Do you know the reason for his sadness? 
2010-02-09 9:44 pm
Do you know why he so sad?
收錄日期: 2021-04-11 01:20:07
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100209000051KK00469