听一段材料,回答下面几个小题。What’s the relationship between the two speakers?
A.Secretary and boss.
B.Teacher and student.
C.Doctor and patient.Why was she late?
A.Her aunt called her to get up late.
B.She missed the bus.
C.She got a telephone call.What can we know about the teacher?
A.He is strict with his students.
B.He is cold to his students.
C.He gets angry easily.
How much does a T-shirt cost now?
A. $21.
B. $27.
C.$30.
How much money does the man have?
A. $7.
B. $8.
C. $5.
How many units must the man review over the weekend?
A. Four.
B. Five.
C. Nine.
How much does the computer cost now?
A. $ 1,000.
B. $ 850.
C. $ 1,150.
How many students took IELTS test last month?
A. 23.
B. 60.
C. 42.