2015年1月13日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

2018年3月16日 · Say, you're working in a company. The phone rings and you pick it up. On the other line, someone wants to speak to one of your co-workers. You want to tell your co-worker who this person is. I think

2020年5月4日 · Both pairs of phrases are perfectly acceptable. Which to choose depends on context. "Who is this" or "Who is that" makes sense when you can refer to the person (perhaps by pointing to them in a photograph, or referring back to something someone just said, though the reference could be implicit, too) whereas "who is he" or "who is she" doesn't require that sort …

A telephone call might start like this *ring* *ring* Alice: Hello, who is this? Bob: Hey, Bob here. Is this Alice? Alice: Yes, indeed. Now in school I learned to use this for objects in my

Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

My version is the following: Whom was this book written by? But I heard a few times that usage of 'whom' is very weird or obsolete in English, although all my teachers taught me to use it and most

2015年2月13日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

2019年1月6日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

2015年10月26日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.