1.He ______________ _______(写下了)many of the things he has learned from them in scientific papers.
2.He doesn't have anybody to practice speakingEnglish _________at home
3.------How ________is road near your shool?
1.has written down2.with3.wide1.因为后面说he has learned这里也是现在完成时，所以前后时态应该一致。2.他家没有任何人能和他一起练习英语。因为缺少介词with，所以这里要填上。是和的意思。3.回答是30米宽，那么问题就一定是问你有多宽了。所以可以直接用回答里的wide。否则答非所问。
