—Will you go fishing with me this weekend? —Sorry, ______. I'm going to see the dentist.
【正确答案】
B
【答案解析】用will向第二人称提问的疑问句,表达一种意愿和请求,意为“请你……,好吗?”,其肯定回答可用“Sure!”“Yes,of course.”“Certainly!”等,否定回答通常是“Sorry,I can't.”“No,I'mafraid I can't.”“I’m sorry,but…”等。答案为B。