people who speaks english的who起什么作用?

Who speaks English? who speaks English best?还是 Who does speak English best? who speaks english best in your class?干吗用speaks? the people who speak it.为什么speak不用speaks呢. Who knons most speaks least 的英英互译 Look!Who ____(is speaking,speaks) English in the park? even to the people who rode the wave ,even to 在这起什么作用 to 是介词 who speaks English best in your chass?还是who speak English be A guy who thinks he’s all that.什么意思?这里的that起什么作用? who speaks english?可以回答he does吗?什么情况下可以由助动词回答特殊疑问句 l would help people who can't see .中who的作用. two people who love each other “who”在此作用?