A. Teacher and student. B. Patient and doctor. Customer and salesman. D. Husband and wife.
At reception of a hotel. B. At a post office. C. At school. D. At a ticket office.
A. He is writing a letter. B. He is going to send a letter. C. He is typing a report. D. He is typing letters.
A. In a park. B. At a cinema. C. In a library. D. At home.
A. 16:30 B. 6:30 C. 6:13 D. 16:13
微信支付 
支付宝支付