A. subscribe to B. char C. traffic D. luxury A. retire B. mobile C. stare at D. endless A. human race B. aggressive C. power pack D. heat A. effectiveness B. get married C. steel D. Macintosh A. foolish B. fair C. sweat D. organic A. international B. Baltic C. here is D. carry on A. obvious B. fierce C. avoid D. falter A. mule B. screw C. pack D. used A. on sale B. format C. silver D. employer A. alienate B. north-west C. lurk D. environmental