If you cannot come to the meeting please let us know so that we will cancel your hotel b

问题补充：

If you cannot come to the meeting, please let us know so that we will cancel your hotel booking.

A. in general

B. in advance

C. by chance

D. by accident

答案：

A. in general

(答案→)B. in advance

C. by chance

D. by accident

解析：词义辨析。in general一般说来，通常；in advance提前；by chance偶然，碰巧；by accident偶然。如果你不能出席会议，请提前告诉我们，以便取消你的旅馆预订。选B。