When someone talks, everyone is expected tolisten, no matter how ______.

I am going to the airport to meet my uncle tomorrow morning, _____ he will be back from abroad

填入下列文段空白处的词语，最恰当的一组是（ ）我认为，笑话是① 文学与表演艺术之间的。笑话编出来总是想逗他人笑的，② 有点像喜剧作家创作喜剧。 ③ 笑话作者有何深层用意，其共同目的都是希望逗大家一乐。 ④ 无论是说 ⑤ 写成文字，每个笑话作者的心里都有着虚拟的听众，他们 ⑥ 是力图让这些听众发笑。 ① ② ③ ④ ⑤ ⑥

so cold! Why are your windows still open —- Oh, they _______

Is this _____ English book–No, it isn’t. It is _____.