A. smoothly B. basket C. lessen D. beneficial A. stay B. resort C. prolong D. astonished A. rickets B. convince C. fixed D. vital A. so far B. wonder C. exterminate D. went camping A. obstruction B. reusable C. faster D. toward A. discredit B. enjoy C. technically D. sell A. wheat B. eastern C. dining hall D. cater A. kindly B. foreign C. laughed D. without doubt A. have a headache B. conscious C. took D. incur A. videophone B. the Mid-Autumn Festival C. different D. preserve