A. delinquency B. look out for C. variation D. folk song A. stay B. mouth C. hand D. lion A. pregnant B. pavement C. keep in touch with D. stay up A. look down on B. wrong C. digestive D. safe A. breadfruit B. stronger C. safety D. limited A. acute B. must C. mathematical D. pot-holer A. mathematics B. cross C. Me too D. number A. quite a lot B. deliberately C. road D. unfortunate A. global warming B. European C. confident D. rule A. robber B. safely C. best-known D. record-holder