A. optional B. push in C. be bound to D. living A. space travel B. messy C. queue D. fireplace A. soon after B. side C. yum D. eat out A. out of control B. run C. employ D. couch A. explain B. skip C. remonstrate D. forgery A. ran B. leave alone C. consume D. above all A. Motherland B. obey C. on your right D. deer A. for a time B. excuse C. sign language D. bark A. pain B. occasion C. decision-making D. impending A. clearly B. robot-arm C. parking D. virtual