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Questions 18~21 are based on the following dialogue between a teacher and a student.How ma
Questions 18~21 are based on the following dialogue between a teacher and a student.
How many courses did the woman take last semester?
[A] 3.
[B] 4.
[C] 5.
[D] 6.
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)