屋子前面小水沟里的水流动起来了，像一股从地底下涌出来的清泉；这里作者把____比作____。
“所有的细胞都来源于先前的细胞”这句话是谁的名言（ ）
Though Nancy is____, she can do most things that people with good eyes can do.
— ____ you ____ to the park yesterday?
— Yes, I did. （ ）
