A. ping-pong B. finance C. tobacco D. viperine A. encouragement B. class C. photographic D. surfboard A. principle B. tennis C. pester D. precaution A. register B. show in C. calendar D. difficult A. them B. in the end C. reusable D. monk A. driving licence B. watch C. hamburger D. show sb around A. go B. landmark C. reform D. operate A. stare B. let C. have D. storyteller A. fun B. anybody C. scene D. sparrow A. catchy B. after C. click on D. archway