问题
选择题
You should try to get a good night sleep____ much work you have to do.
A．however
B．whatever
C．no matter
D．although
答案
答案：A
题目分析：句意：无论你有多少工作要做，你应该保证有充足的睡眠。However /no matter how可以引导让步状语从句，结构是：However/no matter how+adj/adv.+主语+谓语，B项whatever应该接名词，C项少了how，D项although不能接倒装句，选A。