Who often ____ (fly)kites in the park?

问题描述:

Who often ____ (fly)kites in the park?

who用单数 flies

Who often flies kites in the park?谁经常在公园里放风筝?
who 如果是主句的主语,谓语动词用单数第三人称。
如果是从句的主语,就要看先行词来决定谓语的单复数。

flies
flies kites放风筝 ,who属于三单

who often flies kites in the park?