slowly;  quietly;  steadily;  soon;  momentarily;  before long
 classroom;  lecture room;  department (in a university);  class;  lessons;  school (for a particular discipline)
 which way;  which direction;  which one (esp. of two alternatives);  who
 to erase;  to delete;  to turn off (power);  to switch off;  to extinguish;  to put out
 to stand up;  to get up;  to rise;  to recover;  to take action;  to start;  to make the initial charge
 start of a course;  start of lectures;  opening of a new course;  offering a course (for the first time)
 lesson;  class work;  teaching;  instruction
 part-time lecturer;  contract teacher
 being in charge (of an area of responsibility);  being responsible (for a work role, etc.)
 to have been decided (so) that;  to have been arranged (so) that;  to be the result (of);  to be the outcome;  to be the reason (for)
 like this;  this sort;  this way
 by means of;  due to;  because of;  according to
 many;  numerous;  large amount of;  large quantity of;  frequent;  common
 other (place, thing, person);  the rest;  outside;  beyond;  nothing except;  nothing but
 teacher;  instructor;  professor
 enterprise;  business;  company;  corporation
 et cetera;  etc.;  or something;  the likes of;  for example;  for instance
 few;  a little;  scarce;  insufficient;  seldom
 fee;  charge;  rate;  material
 to employ;  to hire;  to charter
 of course;  certainly;  naturally
 purpose;  goal;  aim;  objective;  intention
 to take on;  to undertake;  to take over;  to inherit;  to guarantee;  to vouch for
 same;  identical;  equal;  anyway;  anyhow;  in either case
 to (take out and) show;  to demonstrate;  to point out (finger, clock hand, needle, etc.);  to indicate;  to show
 time;  (the) hour;  favourable time;  opportunity;  chance
 one o'clock;  once;  at one time;  for a time;  for a while;  a time
 that is to say;  that is;  in short;  in brief;  clogging;  obstruction;  shrinkage
 to match (rhythm, speed, etc.);  to join together;  to unite;  to face;  to be opposite (someone);  to compare;  to check with
 habit;  (social) custom;  practice;  convention