who的用法

用法:pron. 誰什麼人Who is your favourite writer?

誰是你特別喜歡的作家

Who invented the steam engine?

誰發明了蒸汽機

Who is your commanding officer?

誰是你們的指揮官

Who invented the question mark?

誰發明了問號

I'm not certain who was there.

我無法確定誰當時在場。