不确定的英语选择题
问题描述：
不确定的英语选择题
—Hey!take care!You almost step on the grassland.
—I'm sorry,I ( )and()it.
A、think ,don't notice
B、thought,didn't notice
C、was thiking,didn't notice
D、thought,wasn't noticing
我选C的.
答
选C 因为事情已经过去所以用过去时 意思是“我当时正在想事情,没有注意到”