A. horror B. schoolbag C. tidy D. knock on A. at B. clock C. finally D. taunt A. hang B. model C. Vietnam D. into A. descendant B. caution C. go away D. room A. chair B. famous C. article D. library A. storm B. bed C. powerful D. round A. pancake B. say C. table D. pristine A. burrow B. plane C. collide D. archaeological A. desk B. Geneva C. new D. specialist A. fell B. savings C. but D. middle school