A. fragile B. trickle C. along with D. celebrate A. peasant B. go away C. futile D. churn A. mobile B. usage C. compound D. classical A. compile B. be full of C. poetry D. on the increase A. to one's surprise B. steak C. efficient D. reptile A. humorous B. star C. punctually D. mile A. smile B. biology C. desperate D. balloon A. optimistic B. tick C. sterile D. easy A. meanwhile B. shove C. all D. babysit A. raw B. while C. apron D. spend doing