问题
选择题
I don’t understand how you got a ticket. I always ______ you ______ a careful driver.
A．think; are
B．am thinking; are
C．thought; were
D．think; were
答案
答案：C
考查时态。我不明白你怎么得到罚单。我总认为你是一个细心的司机。据句意，应是在此事之前认为，所以应用一般过去时。选C。