I am not sure exactly how much money you will receive, but it will cover your major expense.
A. firmly
B. roughly
C. constantly
D. frequently
网友回答
A. firmly
(答案→)B. roughly
C. constantly
D. frequently
解析：考查副词辨析A坚固地B粗略地C持续不断地 D 频繁地，题意为 我不能确定你确切地能得到多少钱，但粗略地你会包括你的主要花费。根据题意选B 项。
考点 副词辨析。