Dave's ESL Cafe's Student Discussion Forums

[Teo]

1. John: ___ is your sister? Mary: The girl in front of our teacher.

2. _____ is your brother, the tall boy or the short boy?

Which word should I use to fill in the above blanks, who or which?
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Thank you very much for your reply.

[Mister Micawber]

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I'd use 'which' for both.
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"I really do not know that anything has ever been more exciting than diagramming sentences." � Gertrude Stein
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Canadian-American who teaches English for a living at Mr Micawber's

[myprofe]

When there is a limited or defined choice you should use which.

Which one do you want?

However, in a room full of people I would also feel comfortable saying: who is your brother?
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I'm never going to learn if you don't correct my mistakes!