1) WB 43-text - read this text again + read some additional information on the "Gherkin" scyscraper on http://en.wikipedia.org/wiki/30_St_Mary_Axe   (study the following passages: Introduction, History of the site, Design and construction, After completion and PREPARE A SUMMARY of the most interesting pieces of information (IN WRITING). You will present this to the class or to your classmate. (you may use cue cards while giving the speech)

(optional: http://www.britishtours.com/360/gherkin.html you may take a virtual tour if you have  "Quicktime"available)

2) CB 86/reading 1 + 88/2,3

3) CB 88/negative prefixes + see the doc to be printed off for 17 March and complete the exercises on negative prefixes

4) mixed conditionals: CB 90/Practice 1,2