A. precaution B. recommend C. happy birthday D. blank A. have difficulty doing B. ah C. climb D. point A. spy on B. paratrooper C. robot D. wife A. next time B. be based on C. be sure about D. This is for you A. street B. honesty C. uncle D. posture A. prepare for B. that C. justice D. go out A. doll B. music C. full D. sprout A. subtle B. for a time C. ball D. palace A. casual B. toy C. think twice D. abandon A. knight B. minibus C. ha D. fly away