发音不一样: [wɒt]，[huː]

Who is your favourite writer?

谁是你特别喜欢的作家？

Who is your commanding officer?

谁是你们的指挥官？

Who invented the steam engine?

谁发明了蒸汽机？

Who invented the question mark?

谁发明了问号？

Who can we have as treasurer?

我们让谁来主管财务？。