Question

"When the old man ________ to walk back to his house, the sun ________ itself beh"

"When the old man ________ to walk back to his house, the sun ________ itself behind the mountain．
A. started, had already hidden
B. had started, had already hidden
C. had started, was hiding
D. was starting, hid"

Answer 1

答案A
试题分析：考查时态。句意：当老人开始走回家的时候，太阳已经下山了。说明太阳下山是在老人回家之前。老人回家用过去时，太阳下山用过去完成时。这两句的时态要一致，故A正确。考点：考查时态点评：过去完成时一定要注意时间的起点，它不是的是过去的过去，要找到时间的参照点。