问题
选择题
I my history this time yesterday. Now I all my work for today.
A．reviewed; had done
B．was reviewing; had done
C．was reviewing; have done
D．reviewed; have done
答案
答案：C
第一句话是说昨天的这个时候我正在复习，所以用过去进行时；第二句是表示我已经完成了今天的工作，是在强调结果。