在A, B 對話中:
A: This is the first I have had complaint from customer.
B: What is/was the problem of the product ?
B對答中 is/was 都可以, 請問點解??
謝謝!
收錄日期: 2021-04-11 19:01:00
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120322000051KK00104