Many people know the name of Confucius. Its Chinese meaning is KongZi. He (is / was) a great teacher in Chinese history. Confucius (teach / taught) his students in wise ways. He told (they / them) to learn and think at the same time. His students often (had / has) lessons under an old tree. He let his students (ask / to ask) and he (answered / answer) them wisely. His students made notes (from / for) his talks. These talks became a great book (call / called) Lunyu. It (tells / told) us how to know and how to do. From Confucius, we know (learning / learn) is a happy thing.