题目
--Could you tell me how to behave politely in public in the UK？
--Yes.__________，you should keep your voice down and always queue.（ ）
--Yes.__________，you should keep your voice down and always queue.（ ）
A.
After all
B.
First of all
C.
In all
D.
At all
知识点：固定短语章节：未标注