问题描述：
There are 1 80 pyramids in Egypt. But the Great Pyramid is the biggest 2 . It is nearly 5000 years 3 . It is about 137 metres 4 today, but it was once higher. It is 5 23,000,000 6 stones. Most of them are higher than a man and weigh about two and a half tons 7 . Some weight 8 fifteen tons. 9 took more than 100,000 men twenty 10 to build the Great Pyramid.
最佳答案： 【分析】1. 这里的意思是“大约”，因此选around。句意：埃及大约有80座金字塔。2. 这里表示是最大的，要用表明范围的词，因此这里用of all，意思是“在所有的中间”。3. 这里的意思是有5000年的历史，因此用old来表...
