阅读短文，选择正确答案。
My name is Li Ping. My English teacher is Sue. She is from the U. S. She has a son and a daughter.
Her son is Paul. Paul is a clerk. Her daughter is Cathy. Cathy is a student. We are in the same school. We're
classmates and we are good friends.
1. Sue is Cathy's _____________.
A. mother
B. father
C. student
2. Paul is a _____________.
A. cashier
B. student
C. clerk
3. Cathy and I are in _____________ school.
A. different
B. the same
C. No.1