first of all;  at once;  right away;  for now;  for the time being
 toilet;  restroom;  bathroom;  lavatory
 to go;  to move (in a direction or towards a specific location);  to proceed;  to take place;  to pass through;  to come and go;  to walk
 trouble;  bother;  trouble;  difficulty;  care;  attention
 to get used to;  to grow accustomed to;  to become skilled in;  to become experienced at;  to become tame;  to become domesticated
 running continuously;  firing in rapid succession
 head;  hair (on one's head);  mind;  brains;  leader;  chief;  top
 puncture;  flat tyre (tire);  blowout;  bursting;  overflowing;  being jammed (e.g. phone lines)
 such;  this sort of;  like this
 time;  hour;  occasion;  case;  chance;  opportunity
 once;  one time;  temporarily;  for a moment;  one degree;  one tone
 to forget;  to leave carelessly;  to be forgetful of;  to forget about;  to forget (an article)
 to restrict;  to limit;  to be restricted to;  to be limited to;  to be best (for);  to be the best plan
 recess;  break time;  break between classes;  free period;  recess time;  recreation hour
 to end;  to come to an end;  to close;  to finish
 confirmation;  verification;  validation;  review;  check;  affirmation
 two classes;  double;  two sets
 to go past;  to pass;  to pass by
 one class;  one set;  a pair;  a suite;  a series
 a short while ago;  a moment ago;  just now;  some time ago
 strange;  odd;  unexpected;  change;  incident;  disturbance
 from the beginning;  without hesitation;  flatly (e.g. refusing);  entirely;  completely
 to be separated;  to be apart;  to leave;  to go away;  to leave (a job, etc.);  to quit
 why?;  what for?;  how?;  by what means?
 this sort of;  this kind of;  like this;  such
 until now;  so far;  up to the present
 (not) even once;  (not) ever
 quite;  entirely;  completely;  as if;  as though;  just like
 indescribable;  inexpressible
 what;  you-know-what;  that thing;  whatsit;  whachamacallit;  (not) at all;  (not) in the slightest
 to wield;  to brandish;  to display (one's knowledge);  to show off;  to abuse (one's power);  to manipulate someone
 writing brush;  paintbrush;  writing with a brush;  drawing with a brush;  writing (composing text);  the written word
 acting rashly;  running wildly;  runaway (process);  reckless baserunning
 appearing ...;  looking ...;  way to ...;  method of ...ing;  form;  style
 called;  named;  as many as;  as much as;  all ...;  every single ...
 to groan;  to moan;  to roar;  to howl;  to hum (engine, wind, etc.);  to buzz;  to ooh and aah (in admiration)
 while;  during;  while;  although;  all;  both
 to enter;  to go into;  to break into;  to join;  to enroll;  to contain;  to hold
 abruptly;  suddenly;  all of a sudden;  without warning
 to pull;  to draw;  to string (lines);  to run (cable);  to pull towards oneself (e.g. someone's sleeve);  to drag;  to haul
 resistance;  opposition;  reluctance;  repulsion;  resistance;  drag
 to be able (in a position) to do;  to be up to the task;  to be ready;  to be completed;  to be made;  to be built;  to be good at
 without change;  as is;  just like;  extremely similar;  immediately;  just after
 near;  neighbourhood;  nearly (e.g. "it took nearly one year");  close to;  shortly;  soon