THE PENNY DROPPED

   

the penny drops   BrE  informal   if the penny drops, you suddenly understand something
         She looked confused for a moment, then suddenly the penny dropped.

Photocopies from 14th April: https://drive.google.com/file/d/0B_Nb3d84W0THWFVlQ2l4WjU4aVE/view?usp=sharing

Presentations_compare a bad presentation with a good presentation: http://mycourse.solent.ac.uk/mod/book/view.php?id=2750&chapterid=1313

To whine or not to whine?: http://www.rd.com/true-stories/inspiring/stop-whining/?trkid=NL-PTP-041515&_cmp=US-PTP&_ebid=US-PTP4/15/2015&_mid=40172&ehid=522953CC483C5D2148C73E3A7206DBF16108C53D

Letters of complaint:  http://www.oxforddictionaries.com/words/letters-of-complaint 

                                         http://www2.elc.polyu.edu.hk/cill/eiw/complaint_letter_constructor.htm

                                         http://www.wikihow.com/Write-a-Complaint-Letter-to-a-Company