1. Speaking/conversation activity: paper "Speak for 30 seconds about... "
2. Plurals and Present tense word endings pronunciation
The first box on the chart (page 71) are the sibilant sounds.
Note that this is a PDF page, so you must change it if you want to type on it.
3. Sibilants Video
Note: The words to repeat in this video are for practice only. Do not worry about the definition.
The Canadian College of English Language