简答题In A straight answer,you need n't answer the reason.简答题In Answering question topic, 3 ways are introduced.简答题"_Well yes I must admit that we had a long lunch. But the important thing is ,we had something to celebrate." Here “But the important thing is ” is called control phrase.简答题"_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”