A. wax disk B. be friends with C. subservient D. real A. muscle B. pack up C. exactly D. electrical A. aerospace B. shelf C. public D. elevator A. toothpaste B. sentence C. hierarchy D. bison A. shilling B. news C. throughout D. bean A. earphone B. rusty C. missing D. film-maker A. astonishing B. character C. side by side D. see off A. check out B. swarm C. spawn D. puzzled A. foreigner B. round C. vacuum D. be weak in A. honest B. exotic C. team D. physicist