A. at first B. throw C. Double Ninth Festival D. grandfather A. fog B. appetite C. challenging D. cake A. frequently B. arrive C. us D. memory A. Pleased to meet you B. sweet potato C. party D. ring A. passage B. fight C. oxygen D. barrier A. lady B. snowman C. peek D. the same to A. fraction B. gasp C. probably D. sudden A. upon B. tutor C. stitch D. zebra crossing A. refer B. annoyance C. crop D. business A. anticipate B. No eating or drinking C. thousands of D. cough