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

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. whatever

答案：

(答案→)A. however

B. no matter

C. although

D. whatever

解析：依据much work，排除D项；B项no matter后缺少how。故选A。