A. Canada B. book C. rim D. building block A. family name B. accumulate C. late D. at the edge A. genius B. practical C. interesting D. latter A. Australia B. participate C. rocket D. little by little A. night B. crust C. enthusiastic D. Yes,please A. be concerned about B. Finnish C. go to a summer camp D. lever A. Korea B. empire C. certainly D. Be careful A. China B. literature C. please D. diversity A. in general B. conversation C. vegetable D. spare time A. spend doing B. hopeless C. revulsion D. polish