- I phoned you yesterday morning. A girl answered, but I didn’t recognize the vo
来源:网络
时间:
推荐文章

— I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice.
— Oh, it __________ my younger sister. She was in my room at that moment.
| A.must have been | B.should have been |
| C.could have been | D.may have been |
试题答案
A