A. flight attendant B. inscribe C. stamp D. gravitational A. scholarship B. poor C. tame D. unforgettable A. orbit B. vast C. surprise D. gift A. great-grandpa B. enough C. tough D. mention A. valid B. illustrate C. match D. southern A. should B. empty C. pair D. feeling A. Lantern Festival B. rigid C. generally D. down A. most B. signature C. ingenuity D. pot-holer A. convenience B. tap C. carry D. space A. did B. well C. flat D. personnel