A. warning B. bond C. publication D. footstep A. disturb B. talk about C. on guard D. observe A. observation B. New Year C. February D. honest A. inform B. pub C. acrobatic D. human being A. audience B. all in all C. scurry D. What's wrong with A. mop B. gesticulate C. carry on D. in place A. open space B. support C. revolution D. make a decision A. physics B. campaign C. lamp D. difference A. nor B. crowd C. burglar D. refer A. emergency B. adamant C. stepsister D. found