---Do you often stay up?
---No. I always get a good night’s sleep much work I have to do.
A. whenever
B. however
C. whatever
D. whichever
网友回答
A. whenever
(答案→)B. however
C. whatever
D. whichever
解析：考查让步状语从句。句意：无论我有多少作业要做，我晚上总有一个很好的睡眠。How much 多少，故选B。