—Can you come and play basketball with us?
—_______. I have a lot of homework to do.
A. Sure B. Yes, I do C. No, I don’t D. I’m sorry, I can’t
—Can you come and play basketball with us?
—_______. I have a lot of homework to do.
A. Sure B. Yes, I do C. No, I don’t D. I’m sorry, I can’t
D 由答语后句I have a lot of homework to do.(我有许多作业要做。)可知此处应作否定回答，排除A、B两项；Can you come….?为提出邀请的句式，否定回答常用I’m sorry, I can’t.+表示理由的句子.。