A. charity B. reading room C. give away D. aware A. ultimate B. increase C. desktop D. therefore A. overheads B. play sports C. stair D. compare A. backwater B. self-improvement C. reason D. compare to A. learner B. suspend C. compare with D. nor A. bluntly B. lurk C. goods D. immune A. interplanetary B. ruin C. smash D. warm up A. illiterate B. electronic C. agent D. theft A. rainstorm B. at the speed of C. tracksuit D. moving A. challenging B. angrily C. ageing D. staple