问题补充:
When I got on the bus,I I had left my wallet at home.(·山东)
A. was realizing
B. realized
C. have realized
D. would realize
答案:
A. was realizing
(答案→)B. realized
C. have realized
D. would realize
解析:考查动词的时态。我上车后意识到把钱包忘在家里了。结合语境可知,这里描述的是过去发生的一个瞬间动作,所以用一般过去时。