问题补充:
––Could I sweep the floor later? I want to do my homework first.
––Yes, .
A. you can
B. you may
C. you could
D. you should
答案:
(答案→)A. you can
B. you may
C. you could
D. you should
解析:考查一般疑问句的回答。“我能过一会儿再扫地吗?我想先做作业。”“好的,可以。”用could来表示委婉的请求,不是can的过去式。根据“用谁问,用谁答”的原则可知,回答用can。故选A。