-()this kind of question often()in you calss?-yes,our teacher often ask us this kind of question.

题目

-()this kind of question often()in you calss?-yes,our teacher often ask us this kind of question.
填is；asked.解释一下为什么,谢谢~~

答案

this kind of question是单三,所以是is,这句话翻译过来是：这种问题经常在班里被问起吗?
所以是被动时态,填asked.