A. perform B. rot C. hive D. flame A. pay attention B. cigarette C. apron D. in a low voice A. bookworm B. duck C. pressure D. radio astronomer A. trick or treat B. exclusive C. happily D. litter basket A. International Labor Day B. emotionally C. agree with sb D. mantis A. childhood B. pleasant C. prevent D. anyone A. call for B. mildly C. cave D. hungry A. recur B. pedestrian C. agree D. compare to A. fall over B. brave C. significant D. orderly A. applaud B. chat C. benefit D. strain