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
________, I have never seen anyone who’s as capable as John.
They didn’t go to the park yesterday.—___________.
Linda came back home very late yesterday, so her mother her.
My students are all quiet.Even after class, my students spend ___as they can playing outside.
Is Tom still in New York or already back at home–I’m not sure ________. I’ll call to make sure.