A. difficult B. green pepper C. digital D. dialect A. mark out B. helpline C. Turkish D. diameter A. You're welcome B. overwhelmingly C. make a fire D. struggle A. balloon B. pencil C. begin with D. geology A. boo B. robot C. what's wrong D. out of sight A. Korea B. toast C. completion D. hospitable A. for certain B. spacesuit C. pounce D. rattlesnake A. secrecy B. electrical C. crayon D. parade A. solar system B. blur C. oil D. knee A. kettle B. kidnapper C. grass-seed D. bulb