One of the most important things in education is to let students ____ positive emotions and experience in the process of their learning.
223. Lu Xun once said that the _____ are made by people. That’s so-called “Where there is a will, there is a way”.
222. In Paris nowadays, we may see musicians performing in the streets to ______.
221. There are 5 ________ in the passage about nanometer(纳米) technology we have just read. Please tell me the general meaning of the first one.
220. Mr. Wang was reading ______ on how to learn a foreign language when someone came to see him.
219. I received a postal packet yesterday. Which of the following can replace the underlined word? _____