A. packet B. good idea C. mark D. unsmiling A. explosive B. wipe C. juice D. junior A. such as B. inbox C. opinion D. enquiry A. space travel B. take C. adjust to D. congestion A. already B. run into C. dinner D. presume A. arcade B. exception C. moment D. unwilling A. play football B. wait a moment C. fertile D. kidnapping A. title B. tolerate C. water D. fix up A. instant message B. kind C. go off D. wherever A. indoors B. green C. quicken D. something