问题

What did you say to Julia Isaw her crying in the dormitory alone. — It ______ my fault. We talkedhappily when I was with her in the classroom.
A:mustn’thave been
B:should have been
C:shouldn’t have been
D:couldn’t have been
B:should have been
C:shouldn’t have been
D:couldn’t have been
正确答案是:
同类题型
Could it be in the restaurant_____ you had dinnerwith me yesterday ______ you left your keys
Every year, the coal workers their lungs X-rayed to ensure their health
The people hurried to store up food and daily goods________ war
There seems something wrong with my bikeI would like to get it________[ ]