discount // have some good deals ----> offer a good price
discover ----> investigation
discuss ----> topic
diversion from // get tired of ----> have a change from
do ----> work
do a trial run ----> practice
do about ----> deal with
do good ----> usefulness
do one's best for sb. ----> be happy to do
do some skating and ice-boating // below zero // stay by the fire ----> in the winter
do sth. over again ----> redo sth.
do what sb. did ----> follow one's example
Do you have a car? ----> Someplace be far away.
Do you have any idea ...? ----> Do you know ...?
doctors and dentists // orthopedist ----> medicine
don't have the key to the post office box ----> be not able to pick up the mail
don't share ----> disagree
don't take it out on sb. ----> shouldn't make sb. feel bad
don't tie up the phone ----> end his conversation
doubt ----> should