国家开放大学 / 综合英语（3）
正确率：100%
– Shirley waited in line for three hours, and when she got to the ticket window, there weren’t any tickets left.
–
A.What an interesting experience that is!
B. She must have been excited.
C.That must have been frustrating.
–
A.What an interesting experience that is!
B. She must have been excited.
C.That must have been frustrating.
参考答案：
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