A. help out B. frost C. Spain D. die down A. gable B. prince C. zebra D. icy A. assign B. gardener C. recently D. Labour Day A. main unit B. database C. passage D. toe A. dance music B. utilitarian C. begin D. close to A. just right B. convenience C. crosswalk D. pupil A. completion B. social media C. make one's way D. Forbidden City A. flashlight B. maturity C. mobile D. bookstore A. ticket B. match C. content D. bye-bye A. project B. ban C. have a look D. effective