对often提问用哪个疑问词?My son often eats hamburgers.(对often划线部分提问)____ _____ _____ your son _____hamburgers?

问题描述:

对often提问用哪个疑问词?
My son often eats hamburgers.(对often划线部分提问)
____ _____ _____ your son _____hamburgers?