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
网友回答
A. reviewed; had done
B. was reviewing; had done
(答案→)C. was reviewing; have done
D. reviewed; have done
解析：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。