问题
选择题
You should try to get a good night’s sleep _______ much work you have to do.
A．whenever
B．however
C．whichever
D．whatever
答案
答案：B
题目分析：句意：无论你得做多少工作，你晚上都应该保证良好的睡眠（睡一个好觉）。however much="no" matter how。whenever无论何时；whichever无论哪一个；whatever无论什么。