A. inheritance B. inveterate C. once D. yak A. clothes B. stalactite C. do homework D. grandad A. methane B. shopping mall C. life D. stroll A. environment B. justification C. U-turn D. early A. organism B. good C. music D. commitment A. cigarette B. the same to C. as well D. in one's way A. game B. clean up C. regard as D. publication A. walk B. look forward to C. walnut D. human race A. be interested in B. definitely C. officious D. come on A. crack B. black rhino C. on time D. read