You should try to get a good night’s sleep much work you have to do.A. howeverB. no matte

问题补充：

You should try to get a good night’s sleep much work you have to do.

A. however

B. no matter

C. although

D. wherever

答案：

(答案→)A. however

B. no matter

C. although

D. wherever

解析：此题考查让步状语从句，答案选A，此时however = on matter how ,从句意思为无论你必须做多少工作。