补写出下列句子中的空缺部分。

①李白在《蜀道难》中用：“____，____。”两句写出自己面对伸手可及的星辰，只能抚胸空叹息。

②____，____。飞湍瀑流争喧豗，砯崖转石万壑雷。

③杜甫在《登高》一诗中，极写自己羁旅之愁和孤独之感的句子是“____，____。”

④____，____。江间波浪兼天涌，塞上风云接地阴。

⑤故木受绳则直，金就砺则利，____，____。

⑥吾尝终日而思矣，不如须臾之所学也；____，____。

⑦一夫作难而七庙隳，身死人手，为天下笑者，何也？____。

下列算式中，计算结果为x²－3x－28的是（    ）

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

    Today is Sunday. The clothes at Mr. Wang's Clothes Store 1 on sale. So I want to buy some clothes 2 my grandparents, parents and myself. Let 3 have a look. This yellow sweater is at a very good 4 — only 16 dollars. And it is OK for my 5. For my grandmother I want to buy those black 6. They are comfortable (舒适的). 7 about this white T-shirt? Oh, my father can wear (穿) it to 8 basketball. And there are many socks in all kinds of colors. I know my mother 9 green very much. So I will buy these green ones. For me I 10 a pair of blue shorts.

下列词语中划线字注音完全正确的一项是（    ）

This idea sounds as             as that one.