A. practical B. thanks to C. leave out D. patent A. catch up B. quack C. excite D. injure A. specialize B. agreement C. make a fire D. battered A. climber B. physical C. dial D. tadpole A. prompt B. harm C. revulsion D. at least A. carry B. happily C. pianist D. health care A. ambassador B. effort C. take out the rubbish D. like-minded A. expect B. accomplish C. physics D. youth worker A. ouch B. thinking C. yard sale D. sympathetic A. go shopping B. require C. linguist D. agriculture