根据课文内容，在空白处填入所缺的单词。

Everywhere survivors looked, there was but ruins. Nearly everything in the city was destroyed. About 75 percent of the city's factories and buildings, 90 percent of its homes, all of its hospitals were. Bricks covered the ground like red autumn leaves, no wind could them away. Most bridges had fallen or were not to cross. The railway tracks were now pieces of metal. Tens of thousands of cows, hundreds of thousands of pigs, and millions of chickens were dead. Sand now filled the wellsof water. People were in shock — and then, later that afternoon, big quake shook Tangshan again. Even more buildings fell down. Water, food, and electricity were hard to get. People began to how long the disaster would last.