you do do it well.A. WhateverB. WheneverC. WhereverD. However

问题补充：

you do, do it well.

A. Whatever

B. Whenever

C. Wherever

D. However

答案：

(答案→)A. Whatever

B. Whenever

C. Wherever

D. However

解析：Whatever无论什么；Whenever无论什么时候；Wherever无论在哪儿；However然而，可是，无论怎样。句意：无论你做什么，把它做好。结合语境可知选A。