Do it in a spare moment at the weekend or it really doesn't matter.A. whateverB. whichev

问题补充：

Do it in a spare moment at the weekend or , it really doesn matter.

A. whatever

B. whichever

C. wherever

D. whenever

答案：

A. whatever

B. whichever

C. wherever

(答案→)D. whenever

解析：考查让步状语从句。句意：在周末的空闲时间或者在任何时候，都是没有关系的。根据句意说明D正确。