【题目】—Could you please do the dishes?— , I have to do my homework.A.Yes, I doB.Yes, I canC.sorry, I can'tD.sorry, I couldn't
【答案】C【解析】句意:-你能帮我洗碗吗?-对不起,我不能,我必须做我的家庭作业。在一般现在时中,故选C。