(Our math teacher)is the funniest person,I think.(对括号部分提问)____do you think____the funniest person.

问题描述:

(Our math teacher)is the funniest person,I think.(对括号部分提问)____do you think____the funniest person.
说明原因!用不用whom?

who is 总体说就是 在这里是做主语的,whom 只能用作宾语,do you think 是插入语,是不用算做句子成分的 who is the funniest person?