the teacher asked if /whether we knew where Wang Fang was 这里的knew是know还是knew
问题描述：
the teacher asked if /whether we knew where Wang Fang was 这里的knew是know还是knew
答
asked过去时态：带宾语从句的谓语如果是过去时,宾语从句应使用与过去有关的时态.所以,应该用knew或者had known