I knew nothing about the accdient until I---(read)the newspaper this morning/
问题描述:
I knew nothing about the accdient until I---(read)the newspaper this morning/
答
...
read啊
1、read的过去式和过去分词都是read
2.until,before,after ,when ,if等大多用一般现在时,或者相对应主句的过去时态,用一般过去式