A. update B. cause C. keep D. chemical A. fairy B. ashtray C. e-book D. envious A. post B. tower bridge C. hold onto D. mushroom A. linguist B. await C. terrorist D. call A. metre B. deed C. clog D. go well A. smell B. loaf C. in prison D. for now A. critically B. upon C. each D. fritter A. unite B. hydro-electric C. editor D. say A. No eating or drinking B. transverse C. gorgeous D. taste A. lid B. frost C. accusation D. clean