The passage is mainly about ______.

(单选题)—What an exciting story! It brings the old good days back to (单选题)—China is over 5000 years old. It is one of ______ countries (单选题)______ kind girl she is!—Yes, all of her classmates like her (单选题)Come on, dear! I am sure we will be______ if we remember tha (单选题)—Mr. Wang ______ this HUAWEI mobile phone in 2015.—He______ (单选题)—I have trouble______ math; I failed the math test again.—Do (单选题)There______ a sports meeting next week. (单选题)Mike has a bad habit he often goes to school ______having br (单选题)—Do you want______ sandwich?—No, thanks, I have had a lot an (单选题)We can probably find this passage in a ______.