Question

My mother _____ all the cleaning for my family, but recently she has been too busy teaching to do it.

A．will do

B．is doing

C．does

D．had done

Answer 1

C

解析试题分析：句意：我的母亲包揽家里的清洁工作，但是最近她忙于教学而无法做清洁工作。根据句意可知母亲做清洁工作是经常性的动作，所以用一般现在时。故选C。
考点：考查时态。