A. a pair of B. excited C. century D. arduous A. shake B. raincoat C. come up D. pop music A. combine B. tool C. touch D. bite A. territory B. the day before yesterday C. office worker D. moth A. ibis B. point C. rational D. welcome back to A. make one's bed B. wrap C. misunderstand D. quite a lot A. dilapidated B. instead C. photographic D. expensive A. get together B. disease C. a bit D. diary A. occur B. simplify C. mime D. paper A. arrive at B. foundation C. together D. insert