A. discover B. confusion C. videophone D. drily A. regularity B. build up C. think twice D. examine A. path B. hardly ever C. shell D. keep cool A. agreement B. company C. a D. achievement A. arrive in B. socks C. take away D. show A. scientific B. beneficial C. leather D. give up A. highly B. fell C. Rugby D. breathe A. stomach ache B. talk about C. dream D. deep A. painting B. grocer C. historical D. there is A. anarchy B. CD C. organization D. fade