A. e-book B. by oneself C. which D. gentleman A. how long B. hurdles C. freeze D. require A. invention B. stay away from C. awful D. dozen A. travelling B. energize C. decision D. ourselves A. electronic B. increasingly C. clap D. stroll A. slumber B. grain C. then D. purpose A. save B. spare C. according D. cut A. on the other hand B. have in common C. imagination D. generalize A. painful B. smart C. withdrawal D. Respectable A. company B. know C. column D. splendid