A. clean the room B. add to C. in D. specialize A. so long as B. sideways C. try out for D. immigrate A. instruction B. so-so C. junk D. half past one A. revision B. twin C. Australia D. on the way out A. wax B. boss C. cultural D. independent A. side B. poverty C. particle D. a great many A. normally B. level C. and so on D. take off A. math B. add C. security D. do one's best A. crayon holder B. or C. authority D. make sure A. palace B. cover C. cereal D. rare