—_____do you have a class meeting?— Once a week.

--- Why not go out and have a picnic tomorrow, Simon? ---_____ . but I will help Li Ming with his lessons. He is new here.  

Which of the following word matches the sound /raɪs / ?

—Hello! May I speak to Lily, please?—_____,I’ll go and get her.

中华人民共和国的英文简写是 ________。