— Well, ________ I have to fetch my son
题型：选择题
问题：
— Well, ________ I have to fetch my son in the kindergarten.
— Of course. Thank you very much for helping us. [ ]
A. may I excuse myself now?
B. let me go first.
C. I'm sorry.
D. see you later.
— Well, ________ I have to fetch my son in the kindergarten.
— Of course. Thank you very much for helping us. [ ]
A. may I excuse myself now?
B. let me go first.
C. I'm sorry.
D. see you later.