"_Well yes I must admit that we had a long lunch. But the important thing is ,we had something to celebrate."
 
This kind of answering question  type is "Q =A + 1”
"_Well yes I must admit that we had a long lunch. But the i - Chapter 12 Answering questions - 国际商务英语(口语与听力) - 浙江省高等学校在线开放课程共享平台 | 大学网课搜题引擎