—Who usually in your family ?—My mother does .A. cookB. cookingC. is cookingD. cooks

问题补充：

—Who usually in your family ?

—My mother does .

A. cook

B. cooking

C. is cooking

D. cooks

答案：

A. cook

B. cooking

C. is cooking

(答案→)D. cooks

解析：从 usually 看出是用一般现在时，只有D对。