John has put forward _______ most challenging question for us to answer.-Yes, it really is. I have never heard _______ harder one.

Although I have much housework to do, ______ I still feel happy.

I hear you won the football game yesterday. was the score—2∶0.

填入下面文段空白处的词语，最恰当的一组是（ ）中国文化要走出国门，我想 ① 是通过概念或内容题材走向世界， ② 要有高超的艺术， ③ 艺术中表达的民族文化的精神、艺术家的个性和时代的个性， ④ 让外国人认可并感染他们。这次我们展览的主题叫“中国写意”， ⑤ 以中国写意美学为特征、以中华美学精神为主导、以中国民族精神为核心的当代创作。这里有中国老中青优秀艺术家的作品， ⑥ 经过了中国美术馆专家们的精心遴选。 ① ② ③ ④ ⑤ ⑥

Ms Marsh was such a careless group leaderthat she ______ a very important detail when laying down the plan for theproject.