When Peter __________ the car door, he found the key left in his car. So he had to call for help.
A.opened | B.was opening | C.was to open | D.had opened |
相关知识点
推荐套卷
When Peter __________ the car door, he found the key left in his car. So he had to call for help.
A.opened | B.was opening | C.was to open | D.had opened |